urinary bladder
Distensible musculomembranous organ situated in the anterior part of the pelvic cavity in which urine collects before excretion[MP]. [ http://en.wikipedia.org/wiki/Urinary_bladder http://www.informatics.jax.org/accession/anna ]
Term info
urinary bladder
- vesica urinaria
uberon_slim, efo_slim, pheno_slim, organ_slim, major_organ, human_reference_atlas
http://purl.obolibrary.org/obo/NCBITaxon_9606
https://upload.wikimedia.org/wikipedia/commons/3/30/Urinary_system.svg
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]
bladder
uberon
vesica, urocyst
vesical
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
http://purl.obolibrary.org/obo/NCBITaxon_8782
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]