A gonad of a male animal. A gonad produces and releases sperm. [ http://orcid.org/0000-0002-6601-2165 ]

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

definition
  • A gonad of a male animal. A gonad produces and releases sperm.
depicted by
  • http://upload.wikimedia.org/wikipedia/commons/c/c3/Gray1144.png
external definition
  • Male reproductive organ.[TAO]
has alternative id
  • UBERON:0002117
has exact synonym
  • gonad of male reproductive system
  • male gonad
  • testicle
  • gonad of male genitalia
has related synonym
  • testiculus
  • testes
  • orchis
homology notes
  • (...) while it is likely that Urbilateria lacked a complex somatic reproductive system, it is at present impossible to speculate on whether or not it possessed a true gonad, let alone any other somatic adaptations for reproduction (reference 1); Examination of different vertebrate species shows that the adult gonad is remarkably similar in its morphology across different phylogenetic classes. Surprisingly, however, the cellular and molecular programs employed to create similar organs are not evolutionarily conserved (reference 2).[uncertain][VHOG]
id
  • UBERON:0000473
taxon notes
  • The testes are descended in metatherian and eutherian mammals, first transabdominally, then inguinoscrotally