Perineal Body: Structure and Function
Anatomical Location and Boundaries
The perineal body is a fibromuscular structure located between the anal canal and urogenital region. It plays a vital role in pelvic floor integrity and is a key attachment site for several muscles.
Perineal Body: Structure and Function
Anatomical Location and Boundaries
The perineal body is a crucial fibromuscular structure located in the perineum. It serves as a central point of attachment for several muscles of the pelvic floor and plays a significant role in maintaining the integrity of the pelvic viscera.
Location
The perineal body is situated between the anal canal and the vaginal opening (in females) or the bulb of the penis (in males). It forms the junction between the urogenital and anal triangles.
Muscular Attachments
- External anal sphincter
- Bulbospongiosus
- Superficial and deep transverse perineal muscles
- Levator ani (pubococcygeus component)
Functions
The perineal body provides structural support to the pelvic organs and helps maintain continence by supporting the function of the anal and urinary sphincters.
Clinical Significance
Damage to the perineal body, often occurring during childbirth, can lead to pelvic floor dysfunction, prolapse, or incontinence.
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