urinary bladder
Distensible musculomembranous organ situated in the anterior part of the pelvic cavity in which urine collects before excretion[MP].
Exact Synonyms
vesica urinaria
Related Synonyms
urocyst
vesica
Broad Synonyms
bladder
class Information
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_dbxref
has_obo_namespace
uberon
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]
in_subset
present in taxon
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]
class Relations
Subclass of
Related from
contributes to morphology of
part of
- apex of urinary bladder
- serosa of urinary bladder
- bladder microvascular endothelial cellcl
- dome of urinary bladder
- bladder cellcl
- bladder lumen
- urinary bladder urothelium
- urinary bladder vasculature
- wall of urinary bladder
- mucosa of urinary bladder
- urachus
- urinary bladder muscularis mucosa
- submucosa of urinary bladder
- urinary bladder smooth muscle
- smooth muscle cell of bladdercl
- lamina propria of urinary bladder
- fundus of urinary bladder
- muscle layer of urinary bladder
- neck of urinary bladder
results in development of
drains
continuous with
channels_from
luminal space of
has part
connects
channels_into