Class notes
Ischianal fossa
- Course
- Institution
The ischioanal fossa is a fat-filled, wedge-shaped space located on either side of the anal canal, within the perineum. It lies between the ischium and the external anal sphincter, extending from the pelvic diaphragm superiorly to the skin of the perineum inferiorly. This fossa allows for the expan...
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