Perineal membrane

Perineal Membrane

The Perineal Membrane is a thin, fibrous sheet of anatomical structure found in the pelvis. It is part of the perineum, the region between the pubic symphysis and the coccyx. The Perineal Membrane plays a crucial role in supporting the pelvic organs.

Etymology

The term "Perineal" is derived from the Greek word "Perinaion," which refers to the area around the anus. The term "Membrane" comes from the Latin word "Membrana," which means a thin layer or sheet.

Structure

The Perineal Membrane is a thin, triangular-shaped structure. It is attached to the inferior rami of the pubis and ischium and to the posterior border of the urogenital diaphragm. The membrane is pierced by the urethra in males and by the urethra and vagina in females.

Function

The primary function of the Perineal Membrane is to provide support to the pelvic organs. It also serves as a point of attachment for several muscles, including the bulbospongiosus, ischiocavernosus, and superficial transverse perineal muscles.

Clinical Significance

Damage to the Perineal Membrane can occur during childbirth or due to trauma, which can lead to pelvic organ prolapse. Surgical procedures involving the Perineal Membrane include perineoplasty and perineorrhaphy.

See Also

• Perineum
• Pelvic floor
• Urogenital diaphragm

References

Perineal membrane Resources
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