urinary bladder

Distensible musculomembranous organ situated in the anterior part of the pelvic cavity in which urine collects before excretion[MP]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the urinary bladder is

Distensible musculomembranous organ situated in the anterior part of the pelvic cavity in which urine collects before excretion[MP]. The atlas records it as a organ at the organ scale in the human body.

Where the urinary bladder is

It sits in the trunk, within the urinary system. Positioned deliberately as part of this species body plan.

What the urinary bladder connects to

The atlas records 37 typed relationships for it, across 11 kinds of connection. part of lower urinary tract.

Supply and innervation

Arterial supply: superior vesical artery. Venous drainage: vesical vein.

Also called

Also recorded as bladder, vesica urinaria, urocyst and vesica. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001255, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: lower urinary tract.
• A kind of: anatomical structure, cavitated compound organ and viscus.
• contains: apex of urinary bladder, bladder lumen, dome of urinary bladder, fundus of urinary bladder, lamina propria of urinary bladder and mucosa of urinary bladder, and 12 more.
• contributes to morphology of: fundus of urinary bladder, mucosa of urinary bladder, neck of urinary bladder, trigone of urinary bladder, urinary bladder detrusor smooth muscle and urinary bladder urothelium, and 1 more.
• flows to: urethra and ureter.
• located in: coelemic cavity lumen.
• develops into: remnant of urachus.
• Supplied by: superior vesical artery.

Questions

Where is the urinary bladder?

It sits in the trunk, within the urinary system. Positioned deliberately as part of this species body plan.

What does the urinary bladder connect to?

Part of: lower urinary tract.

Is the urinary bladder the same in other species?

Leumas holds the same relationship vocabulary for every species it carries, so where another dataset records this structure you can put the two side by side on /compare.