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Urethra - Anatomy & Physiology (view source)
Revision as of 16:16, 30 June 2008
, 16:16, 30 June 2008no edit summary
<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>
This is the connection between the bladder and the external environment.
==Female==
* Empties at the external urethral orifice
* Ventral wall of vagina
* At the vestibulo vaginal junction
* Only urine passes through it
* Length and diameter is species specific
** Short and wide - mare
** 2 fossa - bitch
** Sub urethral diverticulum - cow and sow
==Male==
* Empties at tip of penis
* Divided into 3 parts
** Pre-prostatic - bladder neck to seminal hillock
** Prostatic portion - openings of deferant, vesicular and prostatic ducts
** Penile portion - ischial arch to penile tip
** Note the first 2 combined are called the pelvic portion
==Blood Supply==
Blood Supply comes from the Urethral Artery