Changes

====Internal Urethral Sphincter====

====Internal Urethral Sphincter====

Its a thickening of the bladder musculature found at the neck of the bladder which is continous with the detrusor and is therefore smooth muscle.  However unlike the detrusor its innervation is purely from sympathetic fibres.

A thickening of the bladder musculature found at the neck of the bladder which is continuous with the detrusor and is therefore smooth muscle.  However, unlike the detrusor its innervation is purely from sympathetic fibres.

=====Sympathetic Supply - Internal Urethral Sphincter=====

=====Sympathetic Supply - Internal Urethral Sphincter=====