A midline, cone like structure located in the dorso-caudal roof of the 3rd ventricle, attached by peduncles to the habenular and posterior commissures. The stalk contains nerve fibers, blood vessels, connective tissue and parenchymal cells (Paxinos, The Rat Central Nervous System, 2nd ed, pg 399). [ ]

Synonyms: corpus pineale pineal gland glandula pinealis pineal organ

This is just here as a test because I lose it

Term information

database cross reference
Subsets

uberon_slim, efo_slim, pheno_slim, vertebrate_core, organ_slim

abbreviation
Pi [ NIFSTD:NeuroNames_abbrevSource BIRNLEX:1184 ]

latin term
glandula pinealis [ FMA:62033 FMA:TA ]

latin term
glandula pinealis [ FMA:TA ]

axiom lost from external ontology

relationship loss: part_of pineal complex (TAO:0001359)[TAO]

depicted by

http://upload.wikimedia.org/wikipedia/commons/6/6b/Illu_pituitary_pineal_glands.jpg

external definition

Anatomical structure which is a medial outgrowth of the thalamus on the dorsal surface of the brain. This structure is light sensitive and secretes melatonin when exposed to prolonged darkness.[AAO]
A circumscribed swelling, includes the pineal primordium that appears late in the segmentation period in the dorsal midline of the diencephalon. Kimmel et al, 1995.[TAO]

has related synonym

pineal
stirnorgan
conarium
epiphysis
epiphysis cerebri
pineal gland (Galen)
frontal organ

has relational adjective

epiphysial
epiphyseal

homology notes

The pineal gland has evolved from a part of the epiphyseal complex of anamniotes, which includes a median light-receptive pineal eye, parietal eye, or both.[well established][VHOG]

id

UBERON:0001905

present in taxon

http://purl.obolibrary.org/obo/NCBITaxon_117569

taxon notes

lobulated in humans, homogeneous in mouse. Calcifies with age in humans.