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The deep perineal pouch is bordered inferiorly by the perineal membrane, also known as the inferior fascia of the urogenital diaphragm. It is bordered superiorly by the superior fascia of the urogenital diaphragm. [1] The deep pouch is now described as the region between the perineal membrane and the pelvic diaphragm. [2]
The perineal body (or central tendon of perineum) is a pyramidal fibromuscular mass in the middle line of the perineum at the junction between the urogenital triangle and the anal triangle. In males, it is found between the bulb of the penis and the anus ; in females, it is found between the vagina and anus, and about 1.25 cm (0.49 in) in front ...
The pelvic floor or pelvic diaphragm is an anatomical location in the human body, [1] which has an important role in urinary and anal continence, sexual function and support of the pelvic organs. [2] The pelvic floor includes muscles, both skeletal and smooth, ligaments and fascia.
The perineal membrane is an anatomical term for a fibrous membrane in the perineum. The term "inferior fascia of urogenital diaphragm", used in older texts, is considered equivalent to the perineal membrane. It is the superior border of the superficial perineal pouch, and the inferior border of the deep perineal pouch.
Anatomy image: apmalefrontal4-16 at the College of Medicine at SUNY Upstate Medical University; Cross section image: pelvis/pelvis-e12-15—Plastination Laboratory at the Medical University of Vienna; Anatomy photo:41:08-0100 at the SUNY Downstate Medical Center — "The Female Perineum: Contents of the Pudendal Canal" Diagram at pudendal.info
However, while Bartholin's glands are located in the superficial perineal pouch in females, bulbourethral glands are located in the deep perineal pouch in males. Their duct length is 1.5 to 2.0 cm and they open into navicular fossa. [2] The ducts are paired and they open on the surface of the vulva. [3]
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The superficial branches of the perineal nerve become the posterior scrotal nerves in men, [3] and the posterior labial nerves in women. [1] The deep branch of the perineal nerve (also known as the "muscular" branch) travels to the muscles of the perineum. [1] Both of these are superficial to the dorsal nerve of the penis or the dorsal nerve of ...