Changes

Urinary Bladder - Anatomy & Physiology (view source)

Revision as of 15:00, 2 September 2008

328 bytes removed , 15:00, 2 September 2008

Line 69: Line 69:

====External Urethral Sphincter====

−

~~Unlike the internal sphincter the external sphincter~~ is ~~composed of striated muscle fibres which are under~~ the ~~voluntary control of the somatic nervous system. It is often called the '''urethralis''' muscle and runs the entire length~~ of the urethra.

+

This third component is more appropriately included in the anatomy section of the [[Urethra - Anatomy & Physiology#|urethra.

−

~~=====Somatic Motor Supply - External Urethral Sphincter=====~~

−

* S1-S2

−

* Pudendal Nerve

−

* No synapse

−

* Innervates the urethral skeletal muscle - external urethral sphincter

−

* Function is to retain urine

==The Ligaments of the Bladder==

Lwyatri

2,232

edits