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GO Term History: Displaying 182 audit records for all terms for the date 2005-07-06

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Introduction

This page displays the differences recorded in the full Gene Ontology OBO v1.2 file as audited by the UniProt-GOA database during its daily update cycle.
If there is any delay in uploading the current OBO file, the changes displayed and the date recorded for these changes may not correspond to when the changes to the OBO file were committed.

All changes

Timestamp GO ID GO Term Name Action Category Detail
2005-07-06 GO:0048582 positive regulation of post-embryonic development Updated DEFINITION Any process that activates or increases the rate of post-embryonic development. Post-embryonic development is defined as the process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure.
2005-07-06 GO:0009791 post-embryonic development Updated DEFINITION The process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure. See embryonic development.
2005-07-06 GO:0048569 post-embryonic organ development Updated DEFINITION Development, taking place during the post-embryonic phase, of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
2005-07-06 GO:0048528 post-embryonic root development Updated DEFINITION The process whose specific outcome is the progression of the post-embryonic root over time, from its formation to the mature structure.
2005-07-06 GO:0007497 posterior midgut development Updated DEFINITION The process whose specific outcome is the progression of the posterior midgut over time, from its formation to the mature structure.
2005-07-06 GO:0035210 prepupal development Updated DEFINITION The process whose specific outcome is the progression of the prepupa over time, from its formation to the mature structure. The prepupal stage is a life stage interposed between the larval and the pupal stages in insects which undergo a complete metamorphosis. The start of the pre-pupal stage is marked by pupariation, and the end is marked by pupation. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0030850 prostate gland development Updated DEFINITION The process whose specific outcome is the progression of the prostate gland over time, from its formation to the mature structure. The prostate gland is a partly muscular, partly glandular body that is situated near the base of the mammalian male urethra and secretes an alkaline viscid fluid which is a major constituent of the ejaculatory fluid.
2005-07-06 GO:0001748 optic lobe placode development Updated DEFINITION The process whose specific outcome is the progression of the optic placode over time, from its formation to the mature structure. During embryonic stage 12 the placode starts to invaginate, forming a pouch. Cells that will form Bolwig's organ segregate from the ventral lip of this pouch, remaining in the head epidermis. The remainder of the invagination loses contact with the outer surface and becomes the optic lobe. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048513 organ development Updated DEFINITION Development of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
2005-07-06 GO:0001541 ovarian follicle development Updated DEFINITION The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.
2005-07-06 GO:0048481 ovule development Updated DEFINITION The process whose specific outcome is the progression of the ovule over time, from its formation to the mature structure. The ovule is the structure in seed plants enclosing the female gametophyte, and is composed of the nucellus, one or two integuments, and the funiculus; it develops into the seed.
2005-07-06 GO:0031016 pancreas development Updated DEFINITION The process whose specific outcome is the progression of the pancreas over time, from its formation to the mature structure. The pancreas is an endoderm derived structure that produces precursors of digestive enzymes and blood glucose regulating enzymes.
2005-07-06 GO:0007281 germ cell development Updated DEFINITION The process whose specific outcome is the progression of the immature germ cell over time, from its formation to the mature structure (gamete).
2005-07-06 GO:0035209 pupal development Updated DEFINITION The process whose specific outcome is the progression of the pupa over time, from its formation to the mature structure. The pupa is a dormant life stage interposed between the larval and the adult stages in insects which undergo a complete metamorphosis. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0048053 R1/R6 development Updated DEFINITION The process whose specific outcome is the progression of the R1 and R6 pair of photoreceptors in the eye over time, from their formation to the mature structures. R1 and R6 are paired photoreceptors that contribute to the outer rhabdomeres. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048055 R2/R5 development Updated DEFINITION The process whose specific outcome is the progression of the R2 and R5 pair of photoreceptors in the eye over time, from their formation to the mature structures. R2 and R5 are paired photoreceptors that contribute to the outer rhabdomeres. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048057 R3/R4 development Updated DEFINITION The process whose specific outcome is the progression of the R3 and R4 pair of photoreceptors in the eye over time, from their formation to the mature structures. R3 and R4 are paired photoreceptors that contribute to the outer rhabdomeres. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048467 gynoecium development Updated DEFINITION The process whose specific outcome is the progression of the gynoecium over time, from its formation to the mature structure. The gynoecium is the collective name for the carpels of a flower.
2005-07-06 GO:0001942 hair follicle development Updated DEFINITION The process whose specific outcome is the progression of the hair follicle over time, from its formation to the mature structure.
2005-07-06 GO:0007507 heart development Updated DEFINITION The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
2005-07-06 GO:0007516 hemocyte development Updated DEFINITION The process whose specific outcome is the progression of the hemocyte over time, from its formation to the mature structure. Hemocytes are blood cells associated with a hemocoel (the cavity containing most of the major organs of the arthropod body). As in, but not restricted to, arthropods (Arthropoda, ncbi_taxonomy_id:6656).
2005-07-06 GO:0030097 hemopoiesis Updated DEFINITION The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.
2005-07-06 GO:0048534 hematopoietic or lymphoid organ development Updated DEFINITION The process whose specific outcome is the progression of any organ involved in hemopoiesis or lymphoid cell activation over time, from its formation to the mature structure. Such development includes differentiation of resident cell types (stromal cells) and of migratory cell types dependent on the unique microenvironment afforded by the organ for their proper differentiation.
2005-07-06 GO:0030902 hindbrain development Updated DEFINITION The process whose specific outcome is the progression of the hindbrain over time, from its formation to the mature structure. The hindbrain is the posterior of the three primary divisions of the developing chordate brain, or the corresponding part of the adult brain (in vertebrates, includes the cerebellum, pons, and medulla oblongata and controls the autonomic functions and equilibrium).
2005-07-06 GO:0007444 imaginal disc development Updated DEFINITION The process whose specific outcome is the progression of the imaginal disc over time, from its formation to the metamorphosis to form adult structures. Imaginal discs are epithelial infoldings in the larvae of holometabolous insects that develop into adult structures (legs, antennae, wings, etc.).
2005-07-06 GO:0010229 inflorescence development Updated DEFINITION The process whose specific outcome is the progression of an inflorescence over time, from its formation to the mature structure.
2005-07-06 GO:0048389 intermediate mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the intermediate mesoderm over time, from its formation to the mature structure. The intermediate mesoderm is located between the lateral mesoderm and the paraxial mesoderm. It develops into the kidney and gonads.
2005-07-06 GO:0008406 gonad development Updated DEFINITION The process whose specific outcome is the progression of the gonad over time, from its formation to the mature structure. The gonad is an animal organ that produces gametes; in some species it also produces hormones.
2005-07-06 GO:0007506 gonadal mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the gonadal mesoderm over time, from its formation to the mature structure. The gonadal mesoderm is the middle layer of the three primary germ layers of the embryo which will go on to form the gonads of the organism.
2005-07-06 GO:0048565 digestive tract development Updated DEFINITION The process whose specific outcome is the progression of the gut over time, from its formation to the mature structure. The gut is the region of the digestive tract extending from the beginning of the intestines to the anus.
2005-07-06 GO:0007502 digestive tract mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the gut mesoderm over time, from its formation to the mature structure. The gut mesoderm is the middle layer of the three primary germ layers of the embryo which will go on to form the gut of the organism.
2005-07-06 GO:0048437 floral organ development Updated DEFINITION The process whose specific outcome is the progression of the floral organ over time, from its formation to the mature structure.
2005-07-06 GO:0048438 floral whorl development Updated DEFINITION The process whose specific outcome is the progression of the floral whorl over time, from its formation to the mature structure.
2005-07-06 GO:0009908 flower development Updated DEFINITION The process whose specific outcome is the progression of the flower over time, from its formation to the mature structure. The flower is the reproductive structure in a plant, and its development begins with the transition of the vegetative or inflorescence meristem into a floral meristem.
2005-07-06 GO:0030900 forebrain development Updated DEFINITION The process whose specific outcome is the progression of the forebrain over time, from its formation to the mature structure. The forebrain is the anterior of the three primary divisions of the developing chordate brain or the corresponding part of the adult brain (in vertebrates, includes especially the cerebral hemispheres, the thalamus, and the hypothalamus and especially in higher vertebrates is the main control center for sensory and associative information processing, visceral functions, and voluntary motor functions).
2005-07-06 GO:0019649 formaldehyde assimilation Added DEFINITION The pathways in which ammonia is processed and used as a carbon source for the cell.
2005-07-06 GO:0019647 formaldehyde assimilation via ribulose monophosphate cycle Added DEFINITION The pathway in which formaldehyde is used as a carbon source in the ribulose monophosphate cycle. Methanotrophic bacteria produce formaldehyde from the oxidation of methane and methanol, and then assimilate it via the ribulose monophosphate cycle to form intermediates of the central metabolic routes that are subsequently used for biosynthesis of cell material. Three molecules of formaldehyde are assimilated, forming a three-carbon intermediate of central metabolism; in this pathway, all cellular carbon is assimilated at the oxidation level of formaldehyde.
2005-07-06 GO:0019648 formaldehyde assimilation via xylulose monophosphate cycle Added DEFINITION The pathway in which formaldehyde is used as a carbon source in the xylulose monophosphate cycle. Methylotrophic yeasts, but not bacteria, utilize the xylulose monophosphate cycle to fix formaldehyde and convert it into metabolically useful organic compounds.
2005-07-06 GO:0010154 fruit development Updated DEFINITION The process whose specific outcome is the progression of the fruit over time, from its formation to the mature structure. The fruit is a reproductive body of a seed plant.
2005-07-06 GO:0048229 gametophyte development Updated DEFINITION The process whose specific outcome is the progression of the gametophyte over time, from its formation to the mature structure. The gametophyte is the gamete-producing individual or phase in the life cycle having alternation of generations. As in, but not restricted to, the flowering plants (Magnoliophyta, ncbi_taxonomy_id:3398).
2005-07-06 GO:0031018 endocrine pancreas development Updated DEFINITION The process whose specific outcome is the progression of the endocrine pancreas over time, from its formation to the mature structure. The endocrine pancreas is made up of islet cells that produce insulin, glucagon and somatostatin.
2005-07-06 GO:0007492 endoderm development Updated DEFINITION The process whose specific outcome is the progression of the endoderm over time, from its formation to the mature structure. The endoderm is the innermost germ layer that develops into the gastrointestinal tract, the lungs and associated tissues.
2005-07-06 GO:0009960 endosperm development Updated DEFINITION The process whose specific outcome is the progression of the endosperm over time, from its formation to the mature structure. The endosperm is formed during fertilization and provides nutrients to the developing embryo.
2005-07-06 GO:0048484 enteric nervous system development Updated DEFINITION The process whose specific outcome is the progression of the enteric nervous system over time, from its formation to the mature structure. The enteric nervous system is composed of two ganglionated neural plexuses in the gut wall which form one of the three major divisions of the autonomic nervous system. The enteric nervous system innervates the gastrointestinal tract, the pancreas, and the gall bladder. It contains sensory neurons, interneurons, and motor neurons. Thus the circuitry can autonomously sense the tension and the chemical environment in the gut and regulate blood vessel tone, motility, secretions, and fluid transport. The system is itself governed by the central nervous system and receives both parasympathetic and sympathetic innervation.
2005-07-06 GO:0008544 epidermis development Updated DEFINITION The process whose specific outcome is the progression of the epidermis over time, from its formation to the mature structure.
2005-07-06 GO:0031017 exocrine pancreas development Updated DEFINITION The process whose specific outcome is the progression of the exocrine pancreas over time, from its formation to the mature structure. The exocrine pancreas produces and store zymogens of digestive enzymes, such as chymotrypsinogen and trypsinogen in the acinar cells.
2005-07-06 GO:0001654 eye development Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. The eye is the organ of sight.
2005-07-06 GO:0031075 eye development (sensu Actinopterygii) Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. As in, but not restricted to, the ray-finned fishes (Actinopterygii, ncbi_taxonomy_id:7898).
2005-07-06 GO:0001747 eye development (sensu Mammalia) Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. As in, but not restricted to, mammals (Mammalia, ncbi_taxonomy_id:40674).
2005-07-06 GO:0043010 camera-type eye development Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. As in, but not restricted to, the vertebrates (Vertebrata, ncbi_taxonomy_id:7742).
2005-07-06 GO:0042051 compound eye photoreceptor development Updated DEFINITION The process whose specific outcome is the progression of a light-responsive receptor in the eye over time, from its formation to the mature structure. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0007503 fat body development Updated DEFINITION The process whose specific outcome is the progression of the fat body over time, from its formation to the mature structure. A fat body is an insect gland dorsal to the insect gut, with a function analogous to that of the vertebrate liver. It is a storage organ for fats, glycogen and protein and is a major site of intermediary metabolism.
2005-07-06 GO:0009553 embryo sac development Updated DEFINITION The process whose specific outcome is the progression of the female gametophyte over time, from its formation to the mature structure. The female gametophyte (embryo sac) develops from the haploid megaspores.
2005-07-06 GO:0008585 female gonad development Updated DEFINITION The process whose specific outcome is the progression of the female gonad over time, from its formation to the mature structure.
2005-07-06 GO:0048542 lymph gland development Updated DEFINITION The process whose specific outcome is the progression of the lymph gland over time, from its formation to the mature structure. The lymph gland is one of the sites of hemocyte differentation. It consists of three to six bilaterally paired lobes that are attached to the cardioblasts during larval stages, and it degenerates during pupal stages. As in, but not restricted to, arthropods (Arthropoda, ncbi_taxonomy_id:6656).
2005-07-06 GO:0048535 lymph node development Updated DEFINITION The process whose specific outcome is the progression of lymph nodes over time, from their formation to the mature structure. A lymph node is a round, oval, or bean shaped structure localized in clusters along the lymphatic vessels, with a distinct internal structure including specialized vasculature and B- and T-zones for the activation of lymphocytes.
2005-07-06 GO:0001945 lymph vessel development Updated DEFINITION The process whose specific outcome is the progression of the lymphatic vasculature over time, from its formation to the mature structure.
2005-07-06 GO:0009555 pollen development Updated DEFINITION The process whose specific outcome is the progression of the male gametophyte over time, from its formation to the mature structure. This begins with the haploid microspores and ends with the mature microgametophytes containing the gametes (pollen).
2005-07-06 GO:0008584 male gonad development Updated DEFINITION The process whose specific outcome is the progression of the male gonad over time, from its formation to the mature structure.
2005-07-06 GO:0030879 mammary gland development Updated DEFINITION The process whose specific outcome is the progression of the mammary gland over time, from its formation to the mature structure. The mammary gland is a large compound sebaceous gland that in female mammals is modified to secrete milk.
2005-07-06 GO:0035050 embryonic heart tube development Updated DEFINITION The process whose specific outcome is the progression of the embryonic heart tube over time, from its formation to the mature structure.
2005-07-06 GO:0048508 embryonic meristem development Updated DEFINITION The process whose specific outcome is the progression of the embryonic meristem over time, from its formation to the mature structure.
2005-07-06 GO:0048568 embryonic organ development Updated DEFINITION Development, taking place during the embryonic phase, of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
2005-07-06 GO:0007398 ectoderm development Updated DEFINITION The process whose specific outcome is the progression of the ectoderm over time, from its formation to the mature structure. In animal embryos, the ectoderm is the outer germ layer of the embryo, formed during gastrulation.
2005-07-06 GO:0007439 ectodermal digestive tract development Updated DEFINITION The process whose specific outcome is the progression of the ectodermal gut over time, from its formation to the mature structure. The ectodermal gut includes those portions of the gut that are derived from ectoderm.
2005-07-06 GO:0009790 embryo development Updated DEFINITION The process whose specific outcome is the progression of an embryo from zygote formation until the end of its embryonic life stage. The end of the embryonic stage is organism-specific and may be somewhat arbitrary. For example, it would be at birth for mammals, larval hatching for insects and seed dormancy in plants.
2005-07-06 GO:0001700 embryonic development via the syncytial blastoderm Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from zygote formation to the hatching of the first instar larva. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0009793 embryo development ending in seed dormancy Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from zygote formation to the end of seed dormancy. As in, but not restricted to, the flowering plants (Magnoliophyta, ncbi_taxonomy_id:3398).
2005-07-06 GO:0001701 in utero embryonic development Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from formation of the zygote to birth. As in, but not restricted to, mammals (Mammalia, ncbi_taxonomy_id:40674).
2005-07-06 GO:0009792 embryo development ending in birth or egg hatching Updated DEFINITION The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism specific and may be somewhat arbitrary; for mammals it is usually considered to be birth; for insects the hatching of the first instar larva from the eggshell. As in, but not restricted to, the multicellular animals (Metazoa, ncbi_taxonomy_id:33208).
2005-07-06 GO:0043009 chordate embryonic development Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from zygote formation until birth. As in, but not restricted to, the vertebrates (Vertebrata, ncbi_taxonomy_id:7742).
2005-07-06 GO:0048566 embryonic digestive tract development Updated DEFINITION The process whose specific outcome is the progression of the gut over time, from its formation to the mature structure during embryonic development. The gut is the region of the digestive tract extending from the beginning of the intestines to the anus.
2005-07-06 GO:0048036 central complex development Updated DEFINITION The process whose specific outcome is the progression of the central complex over time, from its formation to the mature structure. The central complex region of the insect brain is thought to be crucial for control of locomotive behavior. Located in the middle of the two protocerebral hemispheres, it comprises four neuropilar regions, the fan-shaped body, the ellipsoid body, the protocerebral bridge and the paired noduli.
2005-07-06 GO:0007417 central nervous system development Updated DEFINITION The process whose specific outcome is the progression of the central nervous system over time, from its formation to the mature structure. The central nervous system is the core nervous system that serves an integrating and coordinating function. In vertebrates it consists of the brain, spinal cord and spinal nerves. In those invertebrates with a central nervous system it typically consists of a brain, cerebral ganglia and a nerve cord.
2005-07-06 GO:0048465 corolla development Updated DEFINITION The process whose specific outcome is the progression of the corolla over time, from its formation to the mature structure.
2005-07-06 GO:0040024 dauer larval development Updated DEFINITION The process whose specific outcome is the progression of the dauer larva over time, through the facultative diapause of the dauer (enduring) larval stage, with specialized traits adapted for dispersal and long-term survival, with elevated stress resistance and without feeding, as in, but not restricted to, the roundworms (Nematoda, ncbi_taxonomy_id:6231).
2005-07-06 GO:0046545 development of primary female sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the primary female sexual characteristics over time, from their formation to the mature structure. The primary female sexual characteristics are the ovaries, and they develop in response to sex hormone secretion.
2005-07-06 GO:0046546 development of primary male sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the primary male sexual characteristics over time, from their formation to the mature structures. The primary male sexual characteristics are the testes, and they develop in response to sex hormone secretion.
2005-07-06 GO:0045137 development of primary sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the primary sexual characteristics over time, from their formation to the mature structures. The primary sexual characteristics are the testes in males and the ovaries in females and they develop in response to sex hormone secretion.
2005-07-06 GO:0046543 development of secondary female sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the secondary female sexual characteristics over time, from their formation to the mature structures. In female humans, these include growth of axillary and pubic hair, breast development and menstrual periods. Their development occurs in response to sex hormone secretion.
2005-07-06 GO:0046544 development of secondary male sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the secondary male sexual characteristics over time, from their formation to the mature structures. In male humans, these include growth of axillary, chest, and pubic hair, voice changes, and testicular/penile enlargement. Development occurs in response to sex hormone secretion.
2005-07-06 GO:0045136 development of secondary sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the secondary sexual characteristics over time, from their formation to the mature structures. In humans, these include growth of axillary, chest, and pubic hair, voice changes, testicular/penile enlargement, breast development and menstrual periods. Development occurs in response to sex hormone secretion.
2005-07-06 GO:0048479 style development Updated DEFINITION The process whose specific outcome is the progression of the style over time, from its formation to the mature structure. The style is an elongated part of a carpel, or group of fused carpels, and it lies between the ovary and the stigma.
2005-07-06 GO:0010098 suspensor development Updated DEFINITION The process whose specific outcome is the progression of the suspensor over time, from its formation to the mature structure. The suspensor is the extension at the base of the embryo that anchors the embryo in the embryo sac and pushes it into the endosperm.
2005-07-06 GO:0048485 sympathetic nervous system development Updated DEFINITION The process whose specific outcome is the progression of the sympathetic nervous system over time, from its formation to the mature structure. The sympathetic nervous system is one of the two divisions of the vertebrate autonomic nervous system (the other being the parasympathetic nervous system). The sympathetic preganglionic neurons have their cell bodies in the thoracic and lumbar regions of the spinal cord and connect to the paravertebral chain of sympathetic ganglia. Innervate heart and blood vessels, sweat glands, viscera and the adrenal medulla. most sympathetic neurons, but not all, use noradrenaline as a post ganglionic neurotransmitter.
2005-07-06 GO:0048538 thymus development Updated DEFINITION The process whose specific outcome is the progression of the thymus over time, from its formation to the mature structure. The thymus is a symmetric bi-lobed organ involved primarily in the differentiation of immature to mature T cells, with unique vascular, nervous, epithelial, and lymphoid cell components.
2005-07-06 GO:0030878 thyroid gland development Updated DEFINITION The process whose specific outcome is the progression of the thyroid gland over time, from its formation to the mature structure. The thyroid gland is an endoderm-derived gland that produces thyroid hormone.
2005-07-06 GO:0007424 open tracheal system development Updated DEFINITION The process whose specific outcome is the progression of the tracheal system over time, from its formation to the mature structure. The traceal system is the respiratory system, a branched network of epithelial tubes that supplies oxygen to target tissues. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0045467 R7 cell development Updated DEFINITION The process whose specific outcome is the progression of the R7 photoreceptor over time, from its formation to the mature structure. The R7 photoreceptor is the last photoreceptor to develop in the ommatidium.
2005-07-06 GO:0019681 acetyl-CoA assimilation pathway Added DEFINITION The pathways by which acetyl-CoA is processed and converted into alpha-ketoglutarate (2-oxoglutarate); methanogenic archaea use these pathways to assimilate acetyl-CoA into the cell.
2005-07-06 GO:0030325 adrenal gland development Updated DEFINITION The process whose specific outcome is the progression of the adrenal gland over time, from its formation to the mature structure. This gland can either be a discrete structure located bilaterally above each kidney, or a cluster of cells in the head kidney that perform the functions of the adrenal gland. In either case, this organ consists of two cells types, aminergic chromaffin cells and steroidogenic cortical cells.
2005-07-06 GO:0007505 adult fat body development Updated DEFINITION The process whose specific outcome is the progression of the adult fat body over time, from its formation to the mature structure. Larval fat body cells that remain at eclosion degenerate in the first 2 to 4 days of adult life, leaving behind the smaller cells of the adult fat body.
2005-07-06 GO:0007512 adult heart development Updated DEFINITION The process whose specific outcome is the progression of the adult heart over time, from its formation to the mature structure.
2005-07-06 GO:0007527 adult somatic muscle development Updated DEFINITION The process whose specific outcome is the progression of the adult somatic muscle over time, from its formation to the mature structure.
2005-07-06 GO:0007524 adult visceral muscle development Updated DEFINITION The process whose specific outcome is the progression of the adult visceral muscle over time, from its formation to the mature structure.
2005-07-06 GO:0009442 allantoin assimilation pathway Added DEFINITION The pathways by which allantoin is processed and converted to ureidoglycolate, and then into metabolically useful substrates. E. coli are able to utilize allantoin as a sole nitrogen source under anaerobic conditions by converting it to ureidoglycolate; this may be further metabolized to produce glyoxylate and thence 3-phosphoglycerate, or alternatively oxidized to oxolureate, which can converted into oxamate and carbamoylphosphate. This may then be further metabolized to CO2, NH4+ and ATP.
2005-07-06 GO:0048286 lung alveolus development Updated DEFINITION The process whose specific outcome is the progression of the alveolus over time, from its formation to the mature structure. The alveolus is a sac for holding air in the lungs; formed by the terminal dilation of air passageways.
2005-07-06 GO:0045463 R8 cell development Updated DEFINITION The process whose specific outcome is the progression of the R8 photoreceptor over time, from its formation to the mature structure. The R8 photoreceptor is the founding receptor of each ommatidium.
2005-07-06 GO:0048580 regulation of post-embryonic development Updated DEFINITION Any process that modulates the frequency, rate or extent of post-embryonic development. Post-embryonic development is defined as the process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure.
2005-07-06 GO:0030323 respiratory tube development Updated DEFINITION The process whose specific outcome is the progression of the respiratory tube over time, from its formation to the mature structure. The respiratory tube is assumed to mean any tube in the respiratory tract.
2005-07-06 GO:0042052 rhabdomere development Updated DEFINITION The process whose specific outcome is the progression of the rhabdomere over time, from its formation to the mature structure. The rhabdomere is the organelle on the apical surface of a photoreceptor cell that contains the visual pigments.
2005-07-06 GO:0048364 root development Updated DEFINITION The process whose specific outcome is the progression of the root over time, from its formation to the mature structure. The root is the water- and mineral-absorbing part of a plant which is usually underground, does not bear leaves, tends to grow downwards and is typically derived from the radicle of the embryo.
2005-07-06 GO:0007431 salivary gland development Updated DEFINITION The process whose specific outcome is the progression of the salivary gland over time, from its formation to the mature structure. Salivary glands include any of the saliva-secreting exocrine glands of the oral cavity.
2005-07-06 GO:0010214 seed coat development Updated DEFINITION The process whose specific outcome is the progression of the seed coat over time, from its formation to the mature structure.
2005-07-06 GO:0048316 seed development Updated DEFINITION The process whose specific outcome is the progression of the seed over time, from its formation to the mature structure. A seed is a propagating organ formed in the sexual reproductive cycle of gymnosperms and angiosperms, consisting of a protective coat enclosing an embryo and food reserves.
2005-07-06 GO:0007423 sensory organ development Updated DEFINITION The process whose specific outcome is the progression of sensory organs over time, from its formation to the mature structure.
2005-07-06 GO:0048442 sepal development Updated DEFINITION The process whose specific outcome is the progression of the sepal over time, from its formation to the mature structure.
2005-07-06 GO:0045498 sex comb development Updated DEFINITION The process whose specific outcome is the progression of the sex comb over time, from its formation to the mature structure. The sex combs are the male specific chaetae located on the prothoracic tarsal segment of the prothoracic leg.
2005-07-06 GO:0048367 shoot system development Updated DEFINITION The process whose specific outcome is the progression of the shoot over time, from its formation to the mature structure.
2005-07-06 GO:0001501 skeletal system development Updated DEFINITION The process whose specific outcome is the progression of the skeleton over time, from its formation to the mature structure. The skeleton is the bony framework of the body in vertebrates (endoskeleton) or the hard outer envelope of insects (exoskeleton or dermoskeleton).
2005-07-06 GO:0001822 kidney development Updated DEFINITION The process whose specific outcome is the progression of the kidney over time, from its formation to the mature structure. The kidney is an organ that filters the blood and excretes the end products of body metabolism in the form of urine.
2005-07-06 GO:0002164 larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. The larva is the early, immature form of any animal when more or less of a metamorphosis takes place, before the assumption of the mature shape.
2005-07-06 GO:0002117 amphibian larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. As in, but not restricted to, the amphibia (Amphibia, ncbi_taxonomy_id:8292).
2005-07-06 GO:0002168 instar larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. This begins with the newly hatched first-instar larva, through its maturation to the end of the last larval stage. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0002119 nematode larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. This begins with the newly hatched first-stage larva and ends with the end of the last larval stage (e.g. fourth-stage in C. elegans) before molting to adulthood. As in, but not restricted to, the roundworms (Nematoda, ncbi_taxonomy_id:6231).
2005-07-06 GO:0007504 larval fat body development Updated DEFINITION The process whose specific outcome is the progression of the larval fat body over time, from its formation to the mature structure. The larval fat body consists of a bilaterally symmetrical monolayer of cells lying between the gut and the muscles of the body wall. As in other tissues of the larva, the cells of the fat body complete their divisions in the embryo and increase in size and ploidy during larval life.
2005-07-06 GO:0007508 larval heart development Updated DEFINITION The process whose specific outcome is the progression of the larval heart over time, from its formation to the mature structure. In Drosophila the larval heart (dorsal vessel) is a continuous tube of mesodormal cells that runs beneath the dorsal midline of the epidermis, divided into an anterior aorta and a posterior heart proper.
2005-07-06 GO:0002165 instar larval or pupal development Updated DEFINITION The process whose specific outcome is the progression of the larva/pupa over time, from its formation to the mature structure.
2005-07-06 GO:0035295 tube development Updated DEFINITION The process whose specific outcome is the progression of a tube over time, from its intial formation to a mature structure. Epithelial and endothelial tubes transport gases, liquids and cells from one site to another and form the basic structure of many organs and tissues including lung and trachea, kidney, the mammary gland, the vascular system and the gastrointestinal and urinary-genital tracts.
2005-07-06 GO:0001657 ureteric bud development Updated DEFINITION The process whose specific outcome is the progression of the ureteric bud over time, from its formation to the mature structure.
2005-07-06 GO:0001655 urogenital system development Updated DEFINITION The process whose specific outcome is the progression of the urogenital system over time, from its formation to the mature structure.
2005-07-06 GO:0001944 vasculature development Updated DEFINITION The process whose specific outcome is the progression of the vasculature over time, from its formation to the mature structure.
2005-07-06 GO:0007419 ventral cord development Updated DEFINITION The process whose specific outcome is the progression of the ventral cord over time, from its formation to the mature structure. The ventral cord is one of the distinguishing traits of the central nervous system of all arthropods (such as insects, crustaceans and arachnids) as well as many other invertebrates, such as the annelid worms.
2005-07-06 GO:0007418 ventral midline development Updated DEFINITION The process whose specific outcome is the progression of the ventral midline over time, from its formation to the mature structure. In protostomes (such as insects, snails and worms) as well as deuterostomes (vertebrates), the midline is an embryonic region that functions in patterning of the adjacent nervous tissue. The ventral midline in insects is a cell population extending along the ventral surface of the embryo and is the region from which cells detach to form the ventrally located nerve cords. In vertebrates, the midline is originally located dorsally. During development, it folds inwards and becomes the ventral part of the dorsally located neural tube and is then called the ventral midline, or floor plate.
2005-07-06 GO:0007522 visceral muscle development Updated DEFINITION The process whose specific outcome is the progression of the visceral muscle over time, from its formation to the mature structure.
2005-07-06 GO:0040025 vulval development Updated DEFINITION The process whose specific outcome is the progression of the vulva over time, from its formation to the mature structure. Vulval development begins during the larval stages to give rise to a fully formed vulva in the adult. As in, but not restricted to, the roundworms (Nematoda, ncbi_taxonomy_id:6231).
2005-07-06 GO:0007525 somatic muscle development Updated DEFINITION The process whose specific outcome is the progression of the somatic muscle over time, from its formation to the mature structure.
2005-07-06 GO:0007286 spermatid development Updated DEFINITION The process whose specific outcome is the progression of a male gamete over time, from initial commitment of the cell to a specific fate, to the fully functional differentiated cell.
2005-07-06 GO:0048536 spleen development Updated DEFINITION The process whose specific outcome is the progression of the spleen over time, from its formation to the mature structure. The spleen is a large vascular lymphatic organ composed of white and red pulp, involved both in hemopoietic and immune system functions.
2005-07-06 GO:0048236 plant-type spore development Updated DEFINITION The process whose specific outcome is the progression of the spore over time, from its formation to the mature structure. The spore gives rise to gametophytes. As in, but not restricted to, the flowering plants (Magnoliophyta, ncbi_taxonomy_id:3398).
2005-07-06 GO:0048443 stamen development Updated DEFINITION The process whose specific outcome is the progression of the stamen over time, from its formation to the mature structure.
2005-07-06 GO:0048480 stigma development Updated DEFINITION The process whose specific outcome is the progression of the stigma over time, from its formation to the mature structure. The stigma is the pollen-receptive surface of a carpel or group of fused carpels, usually sticky.
2005-07-06 GO:0007421 stomatogastric nervous system development Updated DEFINITION The process whose specific outcome is the progression of the stomatogastric nervous system over time, from its formation to the mature structure.
2005-07-06 GO:0048507 meristem development Updated DEFINITION The process whose specific outcome is the progression of the meristem over time, from its formation to the mature structure.
2005-07-06 GO:0048383 mesectoderm development Updated DEFINITION The process whose specific outcome is the progression of the mesectoderm over time, from its formation to the mature structure. In animal embryos, mesectoderm development processes give rise to both mesoderm and ectoderm tissues.
2005-07-06 GO:0048382 mesendoderm development Updated DEFINITION The process whose specific outcome is the progression of the mesendoderm over time, from its formation to the mature structure. In animal embryos, mesendoderm development gives rise to both mesoderm and endoderm tissues.
2005-07-06 GO:0007498 mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the mesoderm over time, from its formation to the mature structure. The mesoderm is the middle germ layer that develops into muscle, bone, cartilage, blood and connective tissue.
2005-07-06 GO:0001823 mesonephros development Updated DEFINITION The process whose specific outcome is the progression of the mesonephros over time, from its formation to the mature structure. The mesonephros is a transient excretory organ of the embryo.
2005-07-06 GO:0001656 metanephros development Updated DEFINITION The process whose specific outcome is the progression of the metanephros over time, from its formation to the mature structure. The metanephros is the excretory organ of the fetus which develops into the kidney and is formed from the rear portion of the nephrogenic cord.
2005-07-06 GO:0030901 midbrain development Updated DEFINITION The process whose specific outcome is the progression of the midbrain over time, from its formation to the mature structure. The midbrain is the middle division of the three primary divisions of the developing chordate brain or the corresponding part of the adult brain (in vertebrates, includes a ventral part containing the cerebral peduncles and a dorsal tectum containing the corpora quadrigemina and that surrounds the aqueduct of Sylvius connecting the third and fourth ventricles).
2005-07-06 GO:0030917 midbrain-hindbrain boundary development Updated DEFINITION The process whose specific outcome is the progression of the midbrain-hindbrain boundary over time, from its formation to the mature structure. The midbrain-hindbrain domain of the embryonic brain is comprised of the mesencephalic vesicle and the first rhombencephalic vesicle at early somitogenesis stages.
2005-07-06 GO:0007494 midgut development Updated DEFINITION The process whose specific outcome is the progression of the midgut over time, from its formation to the mature structure. The midgut is the middle part of the alimentary canal from the stomach, or entrance of the bile duct, to, or including, the large intestine.
2005-07-06 GO:0048537 mucosal-associated lymphoid tissue development Updated DEFINITION The process whose specific outcome is the progression of mucosal- associated lymphoid tissue over time, from its formation to the mature structure. Mucosal-associated lymphoid tissue is typically found as nodules associated with mucosal epithelia with distinct internal structures including B- and T-zones for the activation of lymphocytes.
2005-07-06 GO:0007517 muscle organ development Updated DEFINITION The process whose specific outcome is the progression of the muscle over time, from its formation to the mature structure. The muscle is an organ consisting of a tissue made up of various elongated cells that are specialized to contract and thus to produce movement and mechanical work.
2005-07-06 GO:0016319 mushroom body development Updated DEFINITION The process whose specific outcome is the progression of the mushroom body over time, from its formation to the mature structure. The mushroom body is composed of the prominent neuropil structures of the insect central brain, thought to be crucial for olfactory associated learning. These consist mainly of a bulbous calyx and tightly packaged arrays of thin parallel fibers of the Kenyon cells.
2005-07-06 GO:0048581 negative regulation of post-embryonic development Updated DEFINITION Any process that stops, prevents or reduces the rate of post-embryonic development. Post-embryonic development is defined as the process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure.
2005-07-06 GO:0007528 neuromuscular junction development Updated DEFINITION The process whose specific outcome is the progression of the neuromuscular junction over time, from its formation to the mature structure.
2005-07-06 GO:0001749 non-eye photoreceptor development (sensu Endopterygota) Updated DEFINITION The process whose specific outcome is the progression of the non-eye photoreceptor over time, from its formation to the mature structure. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0030903 notochord development Updated DEFINITION The process whose specific outcome is the progression of the notochord over time, from its formation to the mature structure. The notochord is a mesoderm-derived structure located ventral of the developing nerve cord. In vertebrates, the notochord serves as a core around which other mesodermal cells form the vertebrae. In the most primitive chordates, which lack vertebrae, the notochord persists as a substitute for a vertebral column.
2005-07-06 GO:0042476 odontogenesis Updated DEFINITION The process whose specific outcome is the progression of a tooth or teeth over time, from formation to the mature structure(s).
2005-07-06 GO:0007438 oenocyte development Updated DEFINITION The process whose specific outcome is the progression of the oenocyte over time, from its formation to the mature structure. The oenocytes are large secretory cells found in clusters underlying the epidermis of larval abdominal segments.
2005-07-06 GO:0048599 oocyte development Updated DEFINITION The process whose specific outcome is the progression of an oocyte over time, from initial commitment of the cell to its specific fate, to the fully functional differentiated cell.
2005-07-06 GO:0048486 parasympathetic nervous system development Updated DEFINITION The process whose specific outcome is the progression of the parasympathetic nervous system over time, from its formation to the mature structure. The parasympathetic nervous system is one of the two divisions of the vertebrate autonomic nervous system. Parasympathetic nerves emerge cranially as pre ganglionic fibers from oculomotor, facial, glossopharyngeal and vagus and from the sacral region of the spinal cord. Most neurons are cholinergic and responses are mediated by muscarinic receptors. The parasympathetic system innervates, for example: salivary glands, thoracic and abdominal viscera, bladder and genitalia.
2005-07-06 GO:0048339 paraxial mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the paraxial mesoderm over time, from its formation to the mature structure. The paraxial mesoderm is the mesoderm located bilaterally adjacent to the notochord and neural tube.
2005-07-06 GO:0007422 peripheral nervous system development Updated DEFINITION The process whose specific outcome is the progression of the peripheral nervous system over time, from its formation to the mature structure. The peripheral nervous system is one of the two major divisions of the nervous system. Nerves in the PNS connect the central nervous system (CNS) with sensory organs, other organs, muscles, blood vessels and glands.
2005-07-06 GO:0048441 petal development Updated DEFINITION The process whose specific outcome is the progression of the petal over time, from its formation to the mature structure.
2005-07-06 GO:0048541 Peyer's patch development Updated DEFINITION The process whose specific outcome is the progression of Peyer's patches over time, from their formation to the mature structure. Peyer's patches are typically found as nodules associated with gut epithelium with distinct internal structures including B- and T-zones for the activation of lymphocytes.
2005-07-06 GO:0043282 pharyngeal muscle development Updated DEFINITION The process whose specific outcome is the progression of the pharyngeal muscle over time, from its formation to the mature structure. The pharyngeal muscle mediates feeding in nematodes.
2005-07-06 GO:0001890 placenta development Updated DEFINITION The process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin.
2005-07-06 GO:0007277 pole cell development Updated DEFINITION The process whose specific outcome is the progression of the pole cell over time, from its formation to the mature structure.
2005-07-06 GO:0019676 ammonia assimilation cycle Added DEFINITION The pathway by which ammonia is processed and incorporated into a cell. In an energy-rich (glucose-containing), nitrogen-poor environment glutamine synthetase and glutamate synthase form an ammonia assimilatory cycle, in which ammonia is incorporated into L-glutamate to form L-glutamine, which then combines with alpha-ketoglutarate to regenerate L-glutamate. This ATP-dependent cycle is essential for nitrogen-limited growth and for steady-state growth with some sources of nitrogen.
2005-07-06 GO:0048466 androecium development Updated DEFINITION The process whose specific outcome is the progression of the androecium over time, from its formation to the mature structure.
2005-07-06 GO:0007496 anterior midgut development Updated DEFINITION The process whose specific outcome is the progression of the anterior midgut over time, from its formation to the mature structure.
2005-07-06 GO:0048483 autonomic nervous system development Updated DEFINITION The process whose specific outcome is the progression of the autonomic nervous system over time, from its formation to the mature structure. The autonomic nervous system is composed of neurons that are not under conscious control, and is comprised of two antagonistic components, the sympathetic and parasympathetic nervous systems. The autonomic nervous system regulates key functions including the activity of the cardiac (heart) muscle, smooth muscles (e.g. of the gut), and glands.
2005-07-06 GO:0048318 axial mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the axial mesoderm over time, from its formation to the mature structure. The axial mesoderm includes the prechordal mesoderm and the chordamesoderm. It gives rise to the prechordal plate and to the notochord.
2005-07-06 GO:0001824 blastocyst development Updated DEFINITION The process whose specific outcome is the progression of the blastocyst over time, from its formation to the mature structure. The mammalian blastocyst is a hollow ball of cells containing two cell types, the inner cell mass and the trophectoderm.
2005-07-06 GO:0001568 blood vessel development Updated DEFINITION The process whose specific outcome is the progression of the blood vessel over time, from its formation to the mature structure. The blood vessel is the vasculature carrying blood.
2005-07-06 GO:0048539 bone marrow development Updated DEFINITION The process whose specific outcome is the progression of the bone marrow over time, from its formation to the mature structure.
2005-07-06 GO:0007420 brain development Updated DEFINITION The process whose specific outcome is the progression of the brain over time, from its formation to the mature structure. The brain is one of the two components of the central nervous system and is the center of thought and emotion. It is responsible for the coordination and control of bodily activities and the interpretation of information from the senses (sight, hearing, smell, etc.).
2005-07-06 GO:0048540 bursa of Fabricius development Updated DEFINITION The process whose specific outcome is the progression of the bursa over time, from its formation to the mature structure. The bursa is an organ found in birds involved in B cell differentiation.
2005-07-06 GO:0048464 flower calyx development Updated DEFINITION The process whose specific outcome is the progression of the calyx over time, from its formation to the mature structure.
2005-07-06 GO:0048440 carpel development Updated DEFINITION The process whose specific outcome is the progression of the carpel over time, from its formation to the mature structure. A carpel is an organ (generally believed to be a modified foliar unit) at the centre of a flower, bearing one or more ovules and having its margins fused together or with other carpels to enclose the ovule in an ovary, and consisting also of a stigma and usually a style.
2005-07-06 GO:0051216 cartilage development Updated DEFINITION The process whose specific outcome is the progression of the cartilage over time, from its formation to the mature structure. Cartilage is a connective tissue dominated by extracellular matrix containing collagen type II and large amounts of proteoglycan, particularly chondroitin sulfate.
2005-07-06 GO:0048468 cell development Updated DEFINITION The process whose specific outcome is the progression of the cell over time, from its formation to the mature structure.
2005-07-06 GO:0007526 larval somatic muscle development Updated DEFINITION The process whose specific outcome is the progression of the larval somatic muscle over time, from its formation to the mature structure.
2005-07-06 GO:0007523 larval visceral muscle development Updated DEFINITION The process whose specific outcome is the progression of the larval visceral muscle over time, from its formation to the mature structure.
2005-07-06 GO:0048368 lateral mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the lateral mesoderm over time, from its formation to the mature structure.
2005-07-06 GO:0048527 lateral root development Updated DEFINITION The process whose specific outcome is the progression of the lateral root over time, from its formation to the mature structure. A lateral root is one formed from pericycle cells located on the xylem radius of the root, as opposed to the initiation of the main root from the embryo proper.
2005-07-06 GO:0048366 leaf development Updated DEFINITION The process whose specific outcome is the progression of the leaf over time, from its formation to the mature structure.
2005-07-06 GO:0001889 liver development Updated DEFINITION The process whose specific outcome is the progression of the liver over time, from its formation to the mature structure. The liver is an exocrine gland which secretes bile and functions in metabolism of protein and carbohydrate and fat, synthesizes substances involved in the clotting of the blood, synthesizes vitamin A, detoxifies poisonous substances, stores glycogen, and breaks down worn-out erythrocytes.
2005-07-06 GO:0030324 lung development Updated DEFINITION The process whose specific outcome is the progression of the lung over time, from its formation to the mature structure. In all air-breathing vertebrates the lungs are developed from the ventral wall of the oesophagus as a pouch which divides into two sacs. In amphibians and many reptiles the lungs retain very nearly this primitive sac-like character, but in the higher forms the connection with the oesophagus becomes elongated into the windpipe and the inner walls of the sacs become more and more divided, until, in the mammals, the air spaces become minutely divided into tubes ending in small air cells, in the walls of which the blood circulates in a fine network of capillaries. In mammals the lungs are more or less divided into lobes, and each lung occupies a separate cavity in the thorax.
2005-07-06 GO:0007515 lymph gland development Updated DEFINITION OBSOLETE. The process whose specific outcome is the progression of the lymph gland over time, from its formation to the mature structure. The lymph gland is a small bean-shaped organ made up of a loose meshwork of reticular tissue in which are enmeshed large numbers of lymphocytes, macrophages and accessory cells. Lymph glands are located along the lymphatic system.

Definition/synonyms

Timestamp GO ID GO Term Name Action Category Detail
2005-07-06 GO:0048582 positive regulation of post-embryonic development Updated DEFINITION Any process that activates or increases the rate of post-embryonic development. Post-embryonic development is defined as the process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure.
2005-07-06 GO:0009791 post-embryonic development Updated DEFINITION The process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure. See embryonic development.
2005-07-06 GO:0048569 post-embryonic organ development Updated DEFINITION Development, taking place during the post-embryonic phase, of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
2005-07-06 GO:0048528 post-embryonic root development Updated DEFINITION The process whose specific outcome is the progression of the post-embryonic root over time, from its formation to the mature structure.
2005-07-06 GO:0007497 posterior midgut development Updated DEFINITION The process whose specific outcome is the progression of the posterior midgut over time, from its formation to the mature structure.
2005-07-06 GO:0035210 prepupal development Updated DEFINITION The process whose specific outcome is the progression of the prepupa over time, from its formation to the mature structure. The prepupal stage is a life stage interposed between the larval and the pupal stages in insects which undergo a complete metamorphosis. The start of the pre-pupal stage is marked by pupariation, and the end is marked by pupation. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0030850 prostate gland development Updated DEFINITION The process whose specific outcome is the progression of the prostate gland over time, from its formation to the mature structure. The prostate gland is a partly muscular, partly glandular body that is situated near the base of the mammalian male urethra and secretes an alkaline viscid fluid which is a major constituent of the ejaculatory fluid.
2005-07-06 GO:0001748 optic lobe placode development Updated DEFINITION The process whose specific outcome is the progression of the optic placode over time, from its formation to the mature structure. During embryonic stage 12 the placode starts to invaginate, forming a pouch. Cells that will form Bolwig's organ segregate from the ventral lip of this pouch, remaining in the head epidermis. The remainder of the invagination loses contact with the outer surface and becomes the optic lobe. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048513 organ development Updated DEFINITION Development of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
2005-07-06 GO:0001541 ovarian follicle development Updated DEFINITION The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.
2005-07-06 GO:0048481 ovule development Updated DEFINITION The process whose specific outcome is the progression of the ovule over time, from its formation to the mature structure. The ovule is the structure in seed plants enclosing the female gametophyte, and is composed of the nucellus, one or two integuments, and the funiculus; it develops into the seed.
2005-07-06 GO:0031016 pancreas development Updated DEFINITION The process whose specific outcome is the progression of the pancreas over time, from its formation to the mature structure. The pancreas is an endoderm derived structure that produces precursors of digestive enzymes and blood glucose regulating enzymes.
2005-07-06 GO:0007281 germ cell development Updated DEFINITION The process whose specific outcome is the progression of the immature germ cell over time, from its formation to the mature structure (gamete).
2005-07-06 GO:0035209 pupal development Updated DEFINITION The process whose specific outcome is the progression of the pupa over time, from its formation to the mature structure. The pupa is a dormant life stage interposed between the larval and the adult stages in insects which undergo a complete metamorphosis. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0048053 R1/R6 development Updated DEFINITION The process whose specific outcome is the progression of the R1 and R6 pair of photoreceptors in the eye over time, from their formation to the mature structures. R1 and R6 are paired photoreceptors that contribute to the outer rhabdomeres. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048055 R2/R5 development Updated DEFINITION The process whose specific outcome is the progression of the R2 and R5 pair of photoreceptors in the eye over time, from their formation to the mature structures. R2 and R5 are paired photoreceptors that contribute to the outer rhabdomeres. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048057 R3/R4 development Updated DEFINITION The process whose specific outcome is the progression of the R3 and R4 pair of photoreceptors in the eye over time, from their formation to the mature structures. R3 and R4 are paired photoreceptors that contribute to the outer rhabdomeres. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0048467 gynoecium development Updated DEFINITION The process whose specific outcome is the progression of the gynoecium over time, from its formation to the mature structure. The gynoecium is the collective name for the carpels of a flower.
2005-07-06 GO:0001942 hair follicle development Updated DEFINITION The process whose specific outcome is the progression of the hair follicle over time, from its formation to the mature structure.
2005-07-06 GO:0007507 heart development Updated DEFINITION The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
2005-07-06 GO:0007516 hemocyte development Updated DEFINITION The process whose specific outcome is the progression of the hemocyte over time, from its formation to the mature structure. Hemocytes are blood cells associated with a hemocoel (the cavity containing most of the major organs of the arthropod body). As in, but not restricted to, arthropods (Arthropoda, ncbi_taxonomy_id:6656).
2005-07-06 GO:0030097 hemopoiesis Updated DEFINITION The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.
2005-07-06 GO:0048534 hematopoietic or lymphoid organ development Updated DEFINITION The process whose specific outcome is the progression of any organ involved in hemopoiesis or lymphoid cell activation over time, from its formation to the mature structure. Such development includes differentiation of resident cell types (stromal cells) and of migratory cell types dependent on the unique microenvironment afforded by the organ for their proper differentiation.
2005-07-06 GO:0030902 hindbrain development Updated DEFINITION The process whose specific outcome is the progression of the hindbrain over time, from its formation to the mature structure. The hindbrain is the posterior of the three primary divisions of the developing chordate brain, or the corresponding part of the adult brain (in vertebrates, includes the cerebellum, pons, and medulla oblongata and controls the autonomic functions and equilibrium).
2005-07-06 GO:0007444 imaginal disc development Updated DEFINITION The process whose specific outcome is the progression of the imaginal disc over time, from its formation to the metamorphosis to form adult structures. Imaginal discs are epithelial infoldings in the larvae of holometabolous insects that develop into adult structures (legs, antennae, wings, etc.).
2005-07-06 GO:0010229 inflorescence development Updated DEFINITION The process whose specific outcome is the progression of an inflorescence over time, from its formation to the mature structure.
2005-07-06 GO:0048389 intermediate mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the intermediate mesoderm over time, from its formation to the mature structure. The intermediate mesoderm is located between the lateral mesoderm and the paraxial mesoderm. It develops into the kidney and gonads.
2005-07-06 GO:0008406 gonad development Updated DEFINITION The process whose specific outcome is the progression of the gonad over time, from its formation to the mature structure. The gonad is an animal organ that produces gametes; in some species it also produces hormones.
2005-07-06 GO:0007506 gonadal mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the gonadal mesoderm over time, from its formation to the mature structure. The gonadal mesoderm is the middle layer of the three primary germ layers of the embryo which will go on to form the gonads of the organism.
2005-07-06 GO:0048565 digestive tract development Updated DEFINITION The process whose specific outcome is the progression of the gut over time, from its formation to the mature structure. The gut is the region of the digestive tract extending from the beginning of the intestines to the anus.
2005-07-06 GO:0007502 digestive tract mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the gut mesoderm over time, from its formation to the mature structure. The gut mesoderm is the middle layer of the three primary germ layers of the embryo which will go on to form the gut of the organism.
2005-07-06 GO:0048437 floral organ development Updated DEFINITION The process whose specific outcome is the progression of the floral organ over time, from its formation to the mature structure.
2005-07-06 GO:0048438 floral whorl development Updated DEFINITION The process whose specific outcome is the progression of the floral whorl over time, from its formation to the mature structure.
2005-07-06 GO:0009908 flower development Updated DEFINITION The process whose specific outcome is the progression of the flower over time, from its formation to the mature structure. The flower is the reproductive structure in a plant, and its development begins with the transition of the vegetative or inflorescence meristem into a floral meristem.
2005-07-06 GO:0030900 forebrain development Updated DEFINITION The process whose specific outcome is the progression of the forebrain over time, from its formation to the mature structure. The forebrain is the anterior of the three primary divisions of the developing chordate brain or the corresponding part of the adult brain (in vertebrates, includes especially the cerebral hemispheres, the thalamus, and the hypothalamus and especially in higher vertebrates is the main control center for sensory and associative information processing, visceral functions, and voluntary motor functions).
2005-07-06 GO:0019649 formaldehyde assimilation Added DEFINITION The pathways in which ammonia is processed and used as a carbon source for the cell.
2005-07-06 GO:0019647 formaldehyde assimilation via ribulose monophosphate cycle Added DEFINITION The pathway in which formaldehyde is used as a carbon source in the ribulose monophosphate cycle. Methanotrophic bacteria produce formaldehyde from the oxidation of methane and methanol, and then assimilate it via the ribulose monophosphate cycle to form intermediates of the central metabolic routes that are subsequently used for biosynthesis of cell material. Three molecules of formaldehyde are assimilated, forming a three-carbon intermediate of central metabolism; in this pathway, all cellular carbon is assimilated at the oxidation level of formaldehyde.
2005-07-06 GO:0019648 formaldehyde assimilation via xylulose monophosphate cycle Added DEFINITION The pathway in which formaldehyde is used as a carbon source in the xylulose monophosphate cycle. Methylotrophic yeasts, but not bacteria, utilize the xylulose monophosphate cycle to fix formaldehyde and convert it into metabolically useful organic compounds.
2005-07-06 GO:0010154 fruit development Updated DEFINITION The process whose specific outcome is the progression of the fruit over time, from its formation to the mature structure. The fruit is a reproductive body of a seed plant.
2005-07-06 GO:0048229 gametophyte development Updated DEFINITION The process whose specific outcome is the progression of the gametophyte over time, from its formation to the mature structure. The gametophyte is the gamete-producing individual or phase in the life cycle having alternation of generations. As in, but not restricted to, the flowering plants (Magnoliophyta, ncbi_taxonomy_id:3398).
2005-07-06 GO:0031018 endocrine pancreas development Updated DEFINITION The process whose specific outcome is the progression of the endocrine pancreas over time, from its formation to the mature structure. The endocrine pancreas is made up of islet cells that produce insulin, glucagon and somatostatin.
2005-07-06 GO:0007492 endoderm development Updated DEFINITION The process whose specific outcome is the progression of the endoderm over time, from its formation to the mature structure. The endoderm is the innermost germ layer that develops into the gastrointestinal tract, the lungs and associated tissues.
2005-07-06 GO:0009960 endosperm development Updated DEFINITION The process whose specific outcome is the progression of the endosperm over time, from its formation to the mature structure. The endosperm is formed during fertilization and provides nutrients to the developing embryo.
2005-07-06 GO:0048484 enteric nervous system development Updated DEFINITION The process whose specific outcome is the progression of the enteric nervous system over time, from its formation to the mature structure. The enteric nervous system is composed of two ganglionated neural plexuses in the gut wall which form one of the three major divisions of the autonomic nervous system. The enteric nervous system innervates the gastrointestinal tract, the pancreas, and the gall bladder. It contains sensory neurons, interneurons, and motor neurons. Thus the circuitry can autonomously sense the tension and the chemical environment in the gut and regulate blood vessel tone, motility, secretions, and fluid transport. The system is itself governed by the central nervous system and receives both parasympathetic and sympathetic innervation.
2005-07-06 GO:0008544 epidermis development Updated DEFINITION The process whose specific outcome is the progression of the epidermis over time, from its formation to the mature structure.
2005-07-06 GO:0031017 exocrine pancreas development Updated DEFINITION The process whose specific outcome is the progression of the exocrine pancreas over time, from its formation to the mature structure. The exocrine pancreas produces and store zymogens of digestive enzymes, such as chymotrypsinogen and trypsinogen in the acinar cells.
2005-07-06 GO:0001654 eye development Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. The eye is the organ of sight.
2005-07-06 GO:0031075 eye development (sensu Actinopterygii) Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. As in, but not restricted to, the ray-finned fishes (Actinopterygii, ncbi_taxonomy_id:7898).
2005-07-06 GO:0001747 eye development (sensu Mammalia) Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. As in, but not restricted to, mammals (Mammalia, ncbi_taxonomy_id:40674).
2005-07-06 GO:0043010 camera-type eye development Updated DEFINITION The process whose specific outcome is the progression of the eye over time, from its formation to the mature structure. As in, but not restricted to, the vertebrates (Vertebrata, ncbi_taxonomy_id:7742).
2005-07-06 GO:0042051 compound eye photoreceptor development Updated DEFINITION The process whose specific outcome is the progression of a light-responsive receptor in the eye over time, from its formation to the mature structure. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0007503 fat body development Updated DEFINITION The process whose specific outcome is the progression of the fat body over time, from its formation to the mature structure. A fat body is an insect gland dorsal to the insect gut, with a function analogous to that of the vertebrate liver. It is a storage organ for fats, glycogen and protein and is a major site of intermediary metabolism.
2005-07-06 GO:0009553 embryo sac development Updated DEFINITION The process whose specific outcome is the progression of the female gametophyte over time, from its formation to the mature structure. The female gametophyte (embryo sac) develops from the haploid megaspores.
2005-07-06 GO:0008585 female gonad development Updated DEFINITION The process whose specific outcome is the progression of the female gonad over time, from its formation to the mature structure.
2005-07-06 GO:0048542 lymph gland development Updated DEFINITION The process whose specific outcome is the progression of the lymph gland over time, from its formation to the mature structure. The lymph gland is one of the sites of hemocyte differentation. It consists of three to six bilaterally paired lobes that are attached to the cardioblasts during larval stages, and it degenerates during pupal stages. As in, but not restricted to, arthropods (Arthropoda, ncbi_taxonomy_id:6656).
2005-07-06 GO:0048535 lymph node development Updated DEFINITION The process whose specific outcome is the progression of lymph nodes over time, from their formation to the mature structure. A lymph node is a round, oval, or bean shaped structure localized in clusters along the lymphatic vessels, with a distinct internal structure including specialized vasculature and B- and T-zones for the activation of lymphocytes.
2005-07-06 GO:0001945 lymph vessel development Updated DEFINITION The process whose specific outcome is the progression of the lymphatic vasculature over time, from its formation to the mature structure.
2005-07-06 GO:0009555 pollen development Updated DEFINITION The process whose specific outcome is the progression of the male gametophyte over time, from its formation to the mature structure. This begins with the haploid microspores and ends with the mature microgametophytes containing the gametes (pollen).
2005-07-06 GO:0008584 male gonad development Updated DEFINITION The process whose specific outcome is the progression of the male gonad over time, from its formation to the mature structure.
2005-07-06 GO:0030879 mammary gland development Updated DEFINITION The process whose specific outcome is the progression of the mammary gland over time, from its formation to the mature structure. The mammary gland is a large compound sebaceous gland that in female mammals is modified to secrete milk.
2005-07-06 GO:0035050 embryonic heart tube development Updated DEFINITION The process whose specific outcome is the progression of the embryonic heart tube over time, from its formation to the mature structure.
2005-07-06 GO:0048508 embryonic meristem development Updated DEFINITION The process whose specific outcome is the progression of the embryonic meristem over time, from its formation to the mature structure.
2005-07-06 GO:0048568 embryonic organ development Updated DEFINITION Development, taking place during the embryonic phase, of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
2005-07-06 GO:0007398 ectoderm development Updated DEFINITION The process whose specific outcome is the progression of the ectoderm over time, from its formation to the mature structure. In animal embryos, the ectoderm is the outer germ layer of the embryo, formed during gastrulation.
2005-07-06 GO:0007439 ectodermal digestive tract development Updated DEFINITION The process whose specific outcome is the progression of the ectodermal gut over time, from its formation to the mature structure. The ectodermal gut includes those portions of the gut that are derived from ectoderm.
2005-07-06 GO:0009790 embryo development Updated DEFINITION The process whose specific outcome is the progression of an embryo from zygote formation until the end of its embryonic life stage. The end of the embryonic stage is organism-specific and may be somewhat arbitrary. For example, it would be at birth for mammals, larval hatching for insects and seed dormancy in plants.
2005-07-06 GO:0001700 embryonic development via the syncytial blastoderm Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from zygote formation to the hatching of the first instar larva. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0009793 embryo development ending in seed dormancy Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from zygote formation to the end of seed dormancy. As in, but not restricted to, the flowering plants (Magnoliophyta, ncbi_taxonomy_id:3398).
2005-07-06 GO:0001701 in utero embryonic development Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from formation of the zygote to birth. As in, but not restricted to, mammals (Mammalia, ncbi_taxonomy_id:40674).
2005-07-06 GO:0009792 embryo development ending in birth or egg hatching Updated DEFINITION The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism specific and may be somewhat arbitrary; for mammals it is usually considered to be birth; for insects the hatching of the first instar larva from the eggshell. As in, but not restricted to, the multicellular animals (Metazoa, ncbi_taxonomy_id:33208).
2005-07-06 GO:0043009 chordate embryonic development Updated DEFINITION The process whose specific outcome is the progression of the embryo over time, from zygote formation until birth. As in, but not restricted to, the vertebrates (Vertebrata, ncbi_taxonomy_id:7742).
2005-07-06 GO:0048566 embryonic digestive tract development Updated DEFINITION The process whose specific outcome is the progression of the gut over time, from its formation to the mature structure during embryonic development. The gut is the region of the digestive tract extending from the beginning of the intestines to the anus.
2005-07-06 GO:0048036 central complex development Updated DEFINITION The process whose specific outcome is the progression of the central complex over time, from its formation to the mature structure. The central complex region of the insect brain is thought to be crucial for control of locomotive behavior. Located in the middle of the two protocerebral hemispheres, it comprises four neuropilar regions, the fan-shaped body, the ellipsoid body, the protocerebral bridge and the paired noduli.
2005-07-06 GO:0007417 central nervous system development Updated DEFINITION The process whose specific outcome is the progression of the central nervous system over time, from its formation to the mature structure. The central nervous system is the core nervous system that serves an integrating and coordinating function. In vertebrates it consists of the brain, spinal cord and spinal nerves. In those invertebrates with a central nervous system it typically consists of a brain, cerebral ganglia and a nerve cord.
2005-07-06 GO:0048465 corolla development Updated DEFINITION The process whose specific outcome is the progression of the corolla over time, from its formation to the mature structure.
2005-07-06 GO:0040024 dauer larval development Updated DEFINITION The process whose specific outcome is the progression of the dauer larva over time, through the facultative diapause of the dauer (enduring) larval stage, with specialized traits adapted for dispersal and long-term survival, with elevated stress resistance and without feeding, as in, but not restricted to, the roundworms (Nematoda, ncbi_taxonomy_id:6231).
2005-07-06 GO:0046545 development of primary female sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the primary female sexual characteristics over time, from their formation to the mature structure. The primary female sexual characteristics are the ovaries, and they develop in response to sex hormone secretion.
2005-07-06 GO:0046546 development of primary male sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the primary male sexual characteristics over time, from their formation to the mature structures. The primary male sexual characteristics are the testes, and they develop in response to sex hormone secretion.
2005-07-06 GO:0045137 development of primary sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the primary sexual characteristics over time, from their formation to the mature structures. The primary sexual characteristics are the testes in males and the ovaries in females and they develop in response to sex hormone secretion.
2005-07-06 GO:0046543 development of secondary female sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the secondary female sexual characteristics over time, from their formation to the mature structures. In female humans, these include growth of axillary and pubic hair, breast development and menstrual periods. Their development occurs in response to sex hormone secretion.
2005-07-06 GO:0046544 development of secondary male sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the secondary male sexual characteristics over time, from their formation to the mature structures. In male humans, these include growth of axillary, chest, and pubic hair, voice changes, and testicular/penile enlargement. Development occurs in response to sex hormone secretion.
2005-07-06 GO:0045136 development of secondary sexual characteristics Updated DEFINITION The process whose specific outcome is the progression of the secondary sexual characteristics over time, from their formation to the mature structures. In humans, these include growth of axillary, chest, and pubic hair, voice changes, testicular/penile enlargement, breast development and menstrual periods. Development occurs in response to sex hormone secretion.
2005-07-06 GO:0048479 style development Updated DEFINITION The process whose specific outcome is the progression of the style over time, from its formation to the mature structure. The style is an elongated part of a carpel, or group of fused carpels, and it lies between the ovary and the stigma.
2005-07-06 GO:0010098 suspensor development Updated DEFINITION The process whose specific outcome is the progression of the suspensor over time, from its formation to the mature structure. The suspensor is the extension at the base of the embryo that anchors the embryo in the embryo sac and pushes it into the endosperm.
2005-07-06 GO:0048485 sympathetic nervous system development Updated DEFINITION The process whose specific outcome is the progression of the sympathetic nervous system over time, from its formation to the mature structure. The sympathetic nervous system is one of the two divisions of the vertebrate autonomic nervous system (the other being the parasympathetic nervous system). The sympathetic preganglionic neurons have their cell bodies in the thoracic and lumbar regions of the spinal cord and connect to the paravertebral chain of sympathetic ganglia. Innervate heart and blood vessels, sweat glands, viscera and the adrenal medulla. most sympathetic neurons, but not all, use noradrenaline as a post ganglionic neurotransmitter.
2005-07-06 GO:0048538 thymus development Updated DEFINITION The process whose specific outcome is the progression of the thymus over time, from its formation to the mature structure. The thymus is a symmetric bi-lobed organ involved primarily in the differentiation of immature to mature T cells, with unique vascular, nervous, epithelial, and lymphoid cell components.
2005-07-06 GO:0030878 thyroid gland development Updated DEFINITION The process whose specific outcome is the progression of the thyroid gland over time, from its formation to the mature structure. The thyroid gland is an endoderm-derived gland that produces thyroid hormone.
2005-07-06 GO:0007424 open tracheal system development Updated DEFINITION The process whose specific outcome is the progression of the tracheal system over time, from its formation to the mature structure. The traceal system is the respiratory system, a branched network of epithelial tubes that supplies oxygen to target tissues. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0045467 R7 cell development Updated DEFINITION The process whose specific outcome is the progression of the R7 photoreceptor over time, from its formation to the mature structure. The R7 photoreceptor is the last photoreceptor to develop in the ommatidium.
2005-07-06 GO:0019681 acetyl-CoA assimilation pathway Added DEFINITION The pathways by which acetyl-CoA is processed and converted into alpha-ketoglutarate (2-oxoglutarate); methanogenic archaea use these pathways to assimilate acetyl-CoA into the cell.
2005-07-06 GO:0030325 adrenal gland development Updated DEFINITION The process whose specific outcome is the progression of the adrenal gland over time, from its formation to the mature structure. This gland can either be a discrete structure located bilaterally above each kidney, or a cluster of cells in the head kidney that perform the functions of the adrenal gland. In either case, this organ consists of two cells types, aminergic chromaffin cells and steroidogenic cortical cells.
2005-07-06 GO:0007505 adult fat body development Updated DEFINITION The process whose specific outcome is the progression of the adult fat body over time, from its formation to the mature structure. Larval fat body cells that remain at eclosion degenerate in the first 2 to 4 days of adult life, leaving behind the smaller cells of the adult fat body.
2005-07-06 GO:0007512 adult heart development Updated DEFINITION The process whose specific outcome is the progression of the adult heart over time, from its formation to the mature structure.
2005-07-06 GO:0007527 adult somatic muscle development Updated DEFINITION The process whose specific outcome is the progression of the adult somatic muscle over time, from its formation to the mature structure.
2005-07-06 GO:0007524 adult visceral muscle development Updated DEFINITION The process whose specific outcome is the progression of the adult visceral muscle over time, from its formation to the mature structure.
2005-07-06 GO:0009442 allantoin assimilation pathway Added DEFINITION The pathways by which allantoin is processed and converted to ureidoglycolate, and then into metabolically useful substrates. E. coli are able to utilize allantoin as a sole nitrogen source under anaerobic conditions by converting it to ureidoglycolate; this may be further metabolized to produce glyoxylate and thence 3-phosphoglycerate, or alternatively oxidized to oxolureate, which can converted into oxamate and carbamoylphosphate. This may then be further metabolized to CO2, NH4+ and ATP.
2005-07-06 GO:0048286 lung alveolus development Updated DEFINITION The process whose specific outcome is the progression of the alveolus over time, from its formation to the mature structure. The alveolus is a sac for holding air in the lungs; formed by the terminal dilation of air passageways.
2005-07-06 GO:0045463 R8 cell development Updated DEFINITION The process whose specific outcome is the progression of the R8 photoreceptor over time, from its formation to the mature structure. The R8 photoreceptor is the founding receptor of each ommatidium.
2005-07-06 GO:0048580 regulation of post-embryonic development Updated DEFINITION Any process that modulates the frequency, rate or extent of post-embryonic development. Post-embryonic development is defined as the process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure.
2005-07-06 GO:0030323 respiratory tube development Updated DEFINITION The process whose specific outcome is the progression of the respiratory tube over time, from its formation to the mature structure. The respiratory tube is assumed to mean any tube in the respiratory tract.
2005-07-06 GO:0042052 rhabdomere development Updated DEFINITION The process whose specific outcome is the progression of the rhabdomere over time, from its formation to the mature structure. The rhabdomere is the organelle on the apical surface of a photoreceptor cell that contains the visual pigments.
2005-07-06 GO:0048364 root development Updated DEFINITION The process whose specific outcome is the progression of the root over time, from its formation to the mature structure. The root is the water- and mineral-absorbing part of a plant which is usually underground, does not bear leaves, tends to grow downwards and is typically derived from the radicle of the embryo.
2005-07-06 GO:0007431 salivary gland development Updated DEFINITION The process whose specific outcome is the progression of the salivary gland over time, from its formation to the mature structure. Salivary glands include any of the saliva-secreting exocrine glands of the oral cavity.
2005-07-06 GO:0010214 seed coat development Updated DEFINITION The process whose specific outcome is the progression of the seed coat over time, from its formation to the mature structure.
2005-07-06 GO:0048316 seed development Updated DEFINITION The process whose specific outcome is the progression of the seed over time, from its formation to the mature structure. A seed is a propagating organ formed in the sexual reproductive cycle of gymnosperms and angiosperms, consisting of a protective coat enclosing an embryo and food reserves.
2005-07-06 GO:0007423 sensory organ development Updated DEFINITION The process whose specific outcome is the progression of sensory organs over time, from its formation to the mature structure.
2005-07-06 GO:0048442 sepal development Updated DEFINITION The process whose specific outcome is the progression of the sepal over time, from its formation to the mature structure.
2005-07-06 GO:0045498 sex comb development Updated DEFINITION The process whose specific outcome is the progression of the sex comb over time, from its formation to the mature structure. The sex combs are the male specific chaetae located on the prothoracic tarsal segment of the prothoracic leg.
2005-07-06 GO:0048367 shoot system development Updated DEFINITION The process whose specific outcome is the progression of the shoot over time, from its formation to the mature structure.
2005-07-06 GO:0001501 skeletal system development Updated DEFINITION The process whose specific outcome is the progression of the skeleton over time, from its formation to the mature structure. The skeleton is the bony framework of the body in vertebrates (endoskeleton) or the hard outer envelope of insects (exoskeleton or dermoskeleton).
2005-07-06 GO:0001822 kidney development Updated DEFINITION The process whose specific outcome is the progression of the kidney over time, from its formation to the mature structure. The kidney is an organ that filters the blood and excretes the end products of body metabolism in the form of urine.
2005-07-06 GO:0002164 larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. The larva is the early, immature form of any animal when more or less of a metamorphosis takes place, before the assumption of the mature shape.
2005-07-06 GO:0002117 amphibian larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. As in, but not restricted to, the amphibia (Amphibia, ncbi_taxonomy_id:8292).
2005-07-06 GO:0002168 instar larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. This begins with the newly hatched first-instar larva, through its maturation to the end of the last larval stage. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
2005-07-06 GO:0002119 nematode larval development Updated DEFINITION The process whose specific outcome is the progression of the larva over time, from its formation to the mature structure. This begins with the newly hatched first-stage larva and ends with the end of the last larval stage (e.g. fourth-stage in C. elegans) before molting to adulthood. As in, but not restricted to, the roundworms (Nematoda, ncbi_taxonomy_id:6231).
2005-07-06 GO:0007504 larval fat body development Updated DEFINITION The process whose specific outcome is the progression of the larval fat body over time, from its formation to the mature structure. The larval fat body consists of a bilaterally symmetrical monolayer of cells lying between the gut and the muscles of the body wall. As in other tissues of the larva, the cells of the fat body complete their divisions in the embryo and increase in size and ploidy during larval life.
2005-07-06 GO:0007508 larval heart development Updated DEFINITION The process whose specific outcome is the progression of the larval heart over time, from its formation to the mature structure. In Drosophila the larval heart (dorsal vessel) is a continuous tube of mesodormal cells that runs beneath the dorsal midline of the epidermis, divided into an anterior aorta and a posterior heart proper.
2005-07-06 GO:0002165 instar larval or pupal development Updated DEFINITION The process whose specific outcome is the progression of the larva/pupa over time, from its formation to the mature structure.
2005-07-06 GO:0035295 tube development Updated DEFINITION The process whose specific outcome is the progression of a tube over time, from its intial formation to a mature structure. Epithelial and endothelial tubes transport gases, liquids and cells from one site to another and form the basic structure of many organs and tissues including lung and trachea, kidney, the mammary gland, the vascular system and the gastrointestinal and urinary-genital tracts.
2005-07-06 GO:0001657 ureteric bud development Updated DEFINITION The process whose specific outcome is the progression of the ureteric bud over time, from its formation to the mature structure.
2005-07-06 GO:0001655 urogenital system development Updated DEFINITION The process whose specific outcome is the progression of the urogenital system over time, from its formation to the mature structure.
2005-07-06 GO:0001944 vasculature development Updated DEFINITION The process whose specific outcome is the progression of the vasculature over time, from its formation to the mature structure.
2005-07-06 GO:0007419 ventral cord development Updated DEFINITION The process whose specific outcome is the progression of the ventral cord over time, from its formation to the mature structure. The ventral cord is one of the distinguishing traits of the central nervous system of all arthropods (such as insects, crustaceans and arachnids) as well as many other invertebrates, such as the annelid worms.
2005-07-06 GO:0007418 ventral midline development Updated DEFINITION The process whose specific outcome is the progression of the ventral midline over time, from its formation to the mature structure. In protostomes (such as insects, snails and worms) as well as deuterostomes (vertebrates), the midline is an embryonic region that functions in patterning of the adjacent nervous tissue. The ventral midline in insects is a cell population extending along the ventral surface of the embryo and is the region from which cells detach to form the ventrally located nerve cords. In vertebrates, the midline is originally located dorsally. During development, it folds inwards and becomes the ventral part of the dorsally located neural tube and is then called the ventral midline, or floor plate.
2005-07-06 GO:0007522 visceral muscle development Updated DEFINITION The process whose specific outcome is the progression of the visceral muscle over time, from its formation to the mature structure.
2005-07-06 GO:0040025 vulval development Updated DEFINITION The process whose specific outcome is the progression of the vulva over time, from its formation to the mature structure. Vulval development begins during the larval stages to give rise to a fully formed vulva in the adult. As in, but not restricted to, the roundworms (Nematoda, ncbi_taxonomy_id:6231).
2005-07-06 GO:0007525 somatic muscle development Updated DEFINITION The process whose specific outcome is the progression of the somatic muscle over time, from its formation to the mature structure.
2005-07-06 GO:0007286 spermatid development Updated DEFINITION The process whose specific outcome is the progression of a male gamete over time, from initial commitment of the cell to a specific fate, to the fully functional differentiated cell.
2005-07-06 GO:0048536 spleen development Updated DEFINITION The process whose specific outcome is the progression of the spleen over time, from its formation to the mature structure. The spleen is a large vascular lymphatic organ composed of white and red pulp, involved both in hemopoietic and immune system functions.
2005-07-06 GO:0048236 plant-type spore development Updated DEFINITION The process whose specific outcome is the progression of the spore over time, from its formation to the mature structure. The spore gives rise to gametophytes. As in, but not restricted to, the flowering plants (Magnoliophyta, ncbi_taxonomy_id:3398).
2005-07-06 GO:0048443 stamen development Updated DEFINITION The process whose specific outcome is the progression of the stamen over time, from its formation to the mature structure.
2005-07-06 GO:0048480 stigma development Updated DEFINITION The process whose specific outcome is the progression of the stigma over time, from its formation to the mature structure. The stigma is the pollen-receptive surface of a carpel or group of fused carpels, usually sticky.
2005-07-06 GO:0007421 stomatogastric nervous system development Updated DEFINITION The process whose specific outcome is the progression of the stomatogastric nervous system over time, from its formation to the mature structure.
2005-07-06 GO:0048507 meristem development Updated DEFINITION The process whose specific outcome is the progression of the meristem over time, from its formation to the mature structure.
2005-07-06 GO:0048383 mesectoderm development Updated DEFINITION The process whose specific outcome is the progression of the mesectoderm over time, from its formation to the mature structure. In animal embryos, mesectoderm development processes give rise to both mesoderm and ectoderm tissues.
2005-07-06 GO:0048382 mesendoderm development Updated DEFINITION The process whose specific outcome is the progression of the mesendoderm over time, from its formation to the mature structure. In animal embryos, mesendoderm development gives rise to both mesoderm and endoderm tissues.
2005-07-06 GO:0007498 mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the mesoderm over time, from its formation to the mature structure. The mesoderm is the middle germ layer that develops into muscle, bone, cartilage, blood and connective tissue.
2005-07-06 GO:0001823 mesonephros development Updated DEFINITION The process whose specific outcome is the progression of the mesonephros over time, from its formation to the mature structure. The mesonephros is a transient excretory organ of the embryo.
2005-07-06 GO:0001656 metanephros development Updated DEFINITION The process whose specific outcome is the progression of the metanephros over time, from its formation to the mature structure. The metanephros is the excretory organ of the fetus which develops into the kidney and is formed from the rear portion of the nephrogenic cord.
2005-07-06 GO:0030901 midbrain development Updated DEFINITION The process whose specific outcome is the progression of the midbrain over time, from its formation to the mature structure. The midbrain is the middle division of the three primary divisions of the developing chordate brain or the corresponding part of the adult brain (in vertebrates, includes a ventral part containing the cerebral peduncles and a dorsal tectum containing the corpora quadrigemina and that surrounds the aqueduct of Sylvius connecting the third and fourth ventricles).
2005-07-06 GO:0030917 midbrain-hindbrain boundary development Updated DEFINITION The process whose specific outcome is the progression of the midbrain-hindbrain boundary over time, from its formation to the mature structure. The midbrain-hindbrain domain of the embryonic brain is comprised of the mesencephalic vesicle and the first rhombencephalic vesicle at early somitogenesis stages.
2005-07-06 GO:0007494 midgut development Updated DEFINITION The process whose specific outcome is the progression of the midgut over time, from its formation to the mature structure. The midgut is the middle part of the alimentary canal from the stomach, or entrance of the bile duct, to, or including, the large intestine.
2005-07-06 GO:0048537 mucosal-associated lymphoid tissue development Updated DEFINITION The process whose specific outcome is the progression of mucosal- associated lymphoid tissue over time, from its formation to the mature structure. Mucosal-associated lymphoid tissue is typically found as nodules associated with mucosal epithelia with distinct internal structures including B- and T-zones for the activation of lymphocytes.
2005-07-06 GO:0007517 muscle organ development Updated DEFINITION The process whose specific outcome is the progression of the muscle over time, from its formation to the mature structure. The muscle is an organ consisting of a tissue made up of various elongated cells that are specialized to contract and thus to produce movement and mechanical work.
2005-07-06 GO:0016319 mushroom body development Updated DEFINITION The process whose specific outcome is the progression of the mushroom body over time, from its formation to the mature structure. The mushroom body is composed of the prominent neuropil structures of the insect central brain, thought to be crucial for olfactory associated learning. These consist mainly of a bulbous calyx and tightly packaged arrays of thin parallel fibers of the Kenyon cells.
2005-07-06 GO:0048581 negative regulation of post-embryonic development Updated DEFINITION Any process that stops, prevents or reduces the rate of post-embryonic development. Post-embryonic development is defined as the process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure.
2005-07-06 GO:0007528 neuromuscular junction development Updated DEFINITION The process whose specific outcome is the progression of the neuromuscular junction over time, from its formation to the mature structure.
2005-07-06 GO:0001749 non-eye photoreceptor development (sensu Endopterygota) Updated DEFINITION The process whose specific outcome is the progression of the non-eye photoreceptor over time, from its formation to the mature structure. As in, but not restricted to, the Holometabola (Endopterygota, ncbi_taxonomy_id:33392).
2005-07-06 GO:0030903 notochord development Updated DEFINITION The process whose specific outcome is the progression of the notochord over time, from its formation to the mature structure. The notochord is a mesoderm-derived structure located ventral of the developing nerve cord. In vertebrates, the notochord serves as a core around which other mesodermal cells form the vertebrae. In the most primitive chordates, which lack vertebrae, the notochord persists as a substitute for a vertebral column.
2005-07-06 GO:0042476 odontogenesis Updated DEFINITION The process whose specific outcome is the progression of a tooth or teeth over time, from formation to the mature structure(s).
2005-07-06 GO:0007438 oenocyte development Updated DEFINITION The process whose specific outcome is the progression of the oenocyte over time, from its formation to the mature structure. The oenocytes are large secretory cells found in clusters underlying the epidermis of larval abdominal segments.
2005-07-06 GO:0048599 oocyte development Updated DEFINITION The process whose specific outcome is the progression of an oocyte over time, from initial commitment of the cell to its specific fate, to the fully functional differentiated cell.
2005-07-06 GO:0048486 parasympathetic nervous system development Updated DEFINITION The process whose specific outcome is the progression of the parasympathetic nervous system over time, from its formation to the mature structure. The parasympathetic nervous system is one of the two divisions of the vertebrate autonomic nervous system. Parasympathetic nerves emerge cranially as pre ganglionic fibers from oculomotor, facial, glossopharyngeal and vagus and from the sacral region of the spinal cord. Most neurons are cholinergic and responses are mediated by muscarinic receptors. The parasympathetic system innervates, for example: salivary glands, thoracic and abdominal viscera, bladder and genitalia.
2005-07-06 GO:0048339 paraxial mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the paraxial mesoderm over time, from its formation to the mature structure. The paraxial mesoderm is the mesoderm located bilaterally adjacent to the notochord and neural tube.
2005-07-06 GO:0007422 peripheral nervous system development Updated DEFINITION The process whose specific outcome is the progression of the peripheral nervous system over time, from its formation to the mature structure. The peripheral nervous system is one of the two major divisions of the nervous system. Nerves in the PNS connect the central nervous system (CNS) with sensory organs, other organs, muscles, blood vessels and glands.
2005-07-06 GO:0048441 petal development Updated DEFINITION The process whose specific outcome is the progression of the petal over time, from its formation to the mature structure.
2005-07-06 GO:0048541 Peyer's patch development Updated DEFINITION The process whose specific outcome is the progression of Peyer's patches over time, from their formation to the mature structure. Peyer's patches are typically found as nodules associated with gut epithelium with distinct internal structures including B- and T-zones for the activation of lymphocytes.
2005-07-06 GO:0043282 pharyngeal muscle development Updated DEFINITION The process whose specific outcome is the progression of the pharyngeal muscle over time, from its formation to the mature structure. The pharyngeal muscle mediates feeding in nematodes.
2005-07-06 GO:0001890 placenta development Updated DEFINITION The process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin.
2005-07-06 GO:0007277 pole cell development Updated DEFINITION The process whose specific outcome is the progression of the pole cell over time, from its formation to the mature structure.
2005-07-06 GO:0019676 ammonia assimilation cycle Added DEFINITION The pathway by which ammonia is processed and incorporated into a cell. In an energy-rich (glucose-containing), nitrogen-poor environment glutamine synthetase and glutamate synthase form an ammonia assimilatory cycle, in which ammonia is incorporated into L-glutamate to form L-glutamine, which then combines with alpha-ketoglutarate to regenerate L-glutamate. This ATP-dependent cycle is essential for nitrogen-limited growth and for steady-state growth with some sources of nitrogen.
2005-07-06 GO:0048466 androecium development Updated DEFINITION The process whose specific outcome is the progression of the androecium over time, from its formation to the mature structure.
2005-07-06 GO:0007496 anterior midgut development Updated DEFINITION The process whose specific outcome is the progression of the anterior midgut over time, from its formation to the mature structure.
2005-07-06 GO:0048483 autonomic nervous system development Updated DEFINITION The process whose specific outcome is the progression of the autonomic nervous system over time, from its formation to the mature structure. The autonomic nervous system is composed of neurons that are not under conscious control, and is comprised of two antagonistic components, the sympathetic and parasympathetic nervous systems. The autonomic nervous system regulates key functions including the activity of the cardiac (heart) muscle, smooth muscles (e.g. of the gut), and glands.
2005-07-06 GO:0048318 axial mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the axial mesoderm over time, from its formation to the mature structure. The axial mesoderm includes the prechordal mesoderm and the chordamesoderm. It gives rise to the prechordal plate and to the notochord.
2005-07-06 GO:0001824 blastocyst development Updated DEFINITION The process whose specific outcome is the progression of the blastocyst over time, from its formation to the mature structure. The mammalian blastocyst is a hollow ball of cells containing two cell types, the inner cell mass and the trophectoderm.
2005-07-06 GO:0001568 blood vessel development Updated DEFINITION The process whose specific outcome is the progression of the blood vessel over time, from its formation to the mature structure. The blood vessel is the vasculature carrying blood.
2005-07-06 GO:0048539 bone marrow development Updated DEFINITION The process whose specific outcome is the progression of the bone marrow over time, from its formation to the mature structure.
2005-07-06 GO:0007420 brain development Updated DEFINITION The process whose specific outcome is the progression of the brain over time, from its formation to the mature structure. The brain is one of the two components of the central nervous system and is the center of thought and emotion. It is responsible for the coordination and control of bodily activities and the interpretation of information from the senses (sight, hearing, smell, etc.).
2005-07-06 GO:0048540 bursa of Fabricius development Updated DEFINITION The process whose specific outcome is the progression of the bursa over time, from its formation to the mature structure. The bursa is an organ found in birds involved in B cell differentiation.
2005-07-06 GO:0048464 flower calyx development Updated DEFINITION The process whose specific outcome is the progression of the calyx over time, from its formation to the mature structure.
2005-07-06 GO:0048440 carpel development Updated DEFINITION The process whose specific outcome is the progression of the carpel over time, from its formation to the mature structure. A carpel is an organ (generally believed to be a modified foliar unit) at the centre of a flower, bearing one or more ovules and having its margins fused together or with other carpels to enclose the ovule in an ovary, and consisting also of a stigma and usually a style.
2005-07-06 GO:0051216 cartilage development Updated DEFINITION The process whose specific outcome is the progression of the cartilage over time, from its formation to the mature structure. Cartilage is a connective tissue dominated by extracellular matrix containing collagen type II and large amounts of proteoglycan, particularly chondroitin sulfate.
2005-07-06 GO:0048468 cell development Updated DEFINITION The process whose specific outcome is the progression of the cell over time, from its formation to the mature structure.
2005-07-06 GO:0007526 larval somatic muscle development Updated DEFINITION The process whose specific outcome is the progression of the larval somatic muscle over time, from its formation to the mature structure.
2005-07-06 GO:0007523 larval visceral muscle development Updated DEFINITION The process whose specific outcome is the progression of the larval visceral muscle over time, from its formation to the mature structure.
2005-07-06 GO:0048368 lateral mesoderm development Updated DEFINITION The process whose specific outcome is the progression of the lateral mesoderm over time, from its formation to the mature structure.
2005-07-06 GO:0048527 lateral root development Updated DEFINITION The process whose specific outcome is the progression of the lateral root over time, from its formation to the mature structure. A lateral root is one formed from pericycle cells located on the xylem radius of the root, as opposed to the initiation of the main root from the embryo proper.
2005-07-06 GO:0048366 leaf development Updated DEFINITION The process whose specific outcome is the progression of the leaf over time, from its formation to the mature structure.
2005-07-06 GO:0001889 liver development Updated DEFINITION The process whose specific outcome is the progression of the liver over time, from its formation to the mature structure. The liver is an exocrine gland which secretes bile and functions in metabolism of protein and carbohydrate and fat, synthesizes substances involved in the clotting of the blood, synthesizes vitamin A, detoxifies poisonous substances, stores glycogen, and breaks down worn-out erythrocytes.
2005-07-06 GO:0030324 lung development Updated DEFINITION The process whose specific outcome is the progression of the lung over time, from its formation to the mature structure. In all air-breathing vertebrates the lungs are developed from the ventral wall of the oesophagus as a pouch which divides into two sacs. In amphibians and many reptiles the lungs retain very nearly this primitive sac-like character, but in the higher forms the connection with the oesophagus becomes elongated into the windpipe and the inner walls of the sacs become more and more divided, until, in the mammals, the air spaces become minutely divided into tubes ending in small air cells, in the walls of which the blood circulates in a fine network of capillaries. In mammals the lungs are more or less divided into lobes, and each lung occupies a separate cavity in the thorax.
2005-07-06 GO:0007515 lymph gland development Updated DEFINITION OBSOLETE. The process whose specific outcome is the progression of the lymph gland over time, from its formation to the mature structure. The lymph gland is a small bean-shaped organ made up of a loose meshwork of reticular tissue in which are enmeshed large numbers of lymphocytes, macrophages and accessory cells. Lymph glands are located along the lymphatic system.
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