Changes

==Female==

==Female==

* Empties at the external urethral orifice

* Empties at the external urethral orifice on the ventral wall of the vagina

* Ventral wall of vagina

* This is often at the vestibulo vaginal junction

* At the vestibulo vaginal junction

* Only urine passes through it

* Only urine passes through it

* The urethral submucosa has a network of veins which may contribute to continence by forming a kind of erectile tissue.

* The urethral submucosa has a network of veins which may contribute to continence by forming a kind of erectile tissue.

** Short and wide - mare

** Short and wide - mare

** 2 fossa - bitch

** 2 fossa - bitch

** Sub urethral diverticulum - cow and sow

** Suburethral diverticulum - cow and sow

==Male==

==Male==