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Urinary Bladder - Anatomy & Physiology (view source)
Revision as of 15:03, 30 June 2008
, 15:03, 30 June 2008→Overview
<big><center>[[Urinary System - Anatomy & Physiology|'''BACK TO URINARY - ANATOMY & PHYSIOLOGY''']]</center></big>
<big><center>[[Urinary System - Anatomy & Physiology|'''BACK TO URINARY - ANATOMY & PHYSIOLOGY''']]</center></big>
* The bladder is where urine is stored before being expelled by the body through the [[Process of Micturition | micturition reflex]].
* The bladder is where urine is stored before being expelled by the body through the [[Process of Micturition | micturition reflex]].
* Without a bladder urinary continence would be impossible.
* Without a bladder urinary continence would be impossible.
==Anatomy==
* It is a hollow, muscular organ
* It is a hollow, muscular organ
* It is divided for descriptive purposes into three parts
* It is divided for descriptive purposes into three parts
** Cranial Pole
** Cranial Pole
** Intermediate body
** Intermediate body
** Caudal neck
** Caudal neck
* Its size and posistion are determined by how full it is.
** When empty the bladder wall is wrinkled and thicker
** When full and distended the folds dissapear and the wall appears thinner
* The paired uteric folds are visible even when the bladder is full.
** They extend from the ureteral opening to the neck of the bladder
** Here they merge
** Forms the urethral crest - continues into the urethra
==The Ligaments of the Bladder==
* Two lateral ligaments
** Insert in the dorsal abdominal wall
** Within them are the residual umbilical vessels
* Median ligament
** Connects the bladder to pelvic floor and linea alba