Female perineal membrane

Inferior view of the urogenital diaphragm.
(A) Male; on the left, the inferior fascia of the deep transversus perineus (perineal membrane or inferior fascia of the urogenital diaphragm) is intact, but has been removed on the right to expose the musculature.
(B) Female; the fascia of the deep transverse perineus has been removed on both sides to expose the muscle fibers.