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What are the boundaries of the deep perineal space?

A) Perineal membrane and Colles' fascia
B) Superficial fascia and pelvic diaphragm
C) Ischiopubic ramus and urogenital diaphragm
D) Peritoneum and pelvic floor

1 Answer

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Final answer:

The boundaries of the deep perineal space are the perineal membrane and the pelvic diaphragm. The perineal membrane is the inferior boundary while the pelvic diaphragm forms the superior limit of this space.

Step-by-step explanation:

The boundaries of the deep perineal space are represented by the perineal membrane inferiorly and the pelvic diaphragm superiorly. The perineal membrane is a tough, fibrous sheet that provides support for the pelvic organs and forms the floor of the deep perineal space. It stretches between the ischiopubic rami, creating a barrier to the pelvic cavity. Within this bounded space, you would find muscles such as the deep transverse perineal in men, which plays a role in ejaculation, and in women, the compressor urethrae and the sphincter urethrovaginalis, which help to close the vagina.

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