Terminology Service < Semantic Lookup Platform

urinary bladder

http://purl.obolibrary.org/obo/UBERON_0001255

distensible musculomembranous organ situated in the anterior part of the pelvic cavity in which urine collects before excretion[MP]. [ http://www.informatics.jax.org/accession/anna http://en.wikipedia.org/wiki/Urinary_bladder ]

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Term info

Label

urinary bladder

Synonyms

vesica urinaria

database cross reference

Subsets

uberon_slim, efo_slim, pheno_slim, organ_slim, major_organ

latin term

vesica urinaria [ http://en.wikipedia.org/wiki/Urinary_bladder ]

depicted by

http://purl.obolibrary.org/obo/Urinary_system.svg

external definition

A saccular organ in which urine accumulates before discharge from the body. [Bemis_WE, Functional_Anatomy_of_the_Vertebrates:_An_Evolutionary_Perspective, Glossary_G-29, Grande_L, Liem_KF, Third_Edition_(2001)_Orlando_Fla.:_Harcourt_College_Publishers, Walker_WF][VHOG], Anatomical structure which consists of a membranous sac used to temporarily store urine until it is excreted from the body.[AAO]

has broad synonym

bladder

has obo namespace

uberon

has related synonym

vesica, urocyst

has relational adjective

vesical

homology notes

In tetrapods, the urinary bladder arises as an outpocketing of the cloaca. (...) The tetrapod urinary bladder appears first among amphibians and is present in Sphenodon, turtles, most lizards, ostriches among birds, and all mammals.[well established][VHOG]

UBERON:0001255

taxon notes

The urinary bladder evolved in tetrapods. Birds to not possess a true urinary bladder, although Palaeognathae have an undifferentiated cloacal outpocketing that serves a similar function[https://github.com/obophenotype/uberon/issues/454]