External urethral sphincter

 

This is the voluntary sphincter of the the urethra controlling emptying of the urinary bladder. It is under control of will and helps to empty the bladder when the sphincter is relaxed. The sphincter is the same as the perineal sphincter urethrae in the male and the sphincter vaginae in the female which is placed in the deep perineal pouch. It is also called membranous urethra.

 

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The Human Anatomy Laboratory
Creator: Oluwole Ogunranti

 

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DIGITAL LOCATOR OF URETHRA. Layer 1 Skin of pelvis- anterior abdominal wall and perineum). Layer 2- Superficial aspect of pelvis.  Layer 3 - intermediate dissection of male pelvis. Layer  4 - deep dissection of male pelvisLayer 5- deepest layer of male pelvis. Layer 6- layer of pelvic floor of male pelvis. Layer  7 - layer of pelvic bones. Roll over to label;Click to display pages, click the blinking end page to demonstrate urethra page. Layer 5 of male pelvis regional locator

 


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