What does the perineal body form?

• A. A bony projection
• B. A ligament
• C. Central point of perineum and blends anteriorly with the perineal membrane
• D. A muscle mass

Answer: (C)

The perineal body is the central tendon of the perineum—the midline fibromuscular mass where several perineal muscles converge to anchor the pelvic floor. It serves as a key anchoring point for the superficial and deep transverse perineal muscles, bulbospongiosus, and the external anal sphincter, with fibers from the levator ani contributing as well. Importantly, it blends anteriorly with the perineal membrane, creating a continuous fibrous linkage between the deep and superficial aspects of the perineum. This makes it not a bone, nor a ligament, nor simply a single muscle mass, but a central organizing structure that stabilizes the pelvic floor and perineal region.