Neurovasculature of the female perineum

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The female perineum is an anatomical diamond-shaped region which is located below the pelvic floor and medial to the thighs. The main neurovascular structures of the female perineum emerge through the pudendal canal, and include the internal pudendal artery and vein, and the pudendal nerve.

• The internal pudendal artery is the main artery supplying the structures of the female perineum. It gives off four branches: the inferior anorectal and perineal artery, the artery of vestibular bulb and the deep artery of clitoris.
• The internal pudendal vein is the main vein draining the venous blood from the female perineum. The venous return is similar to the arterial homolog, as the internal pudendal vein receives the blood of all four sets of veins of the female perineum: the deep veins of clitoris, veins of vestibular bulb, perineal veins and the inferior anorectal veins.
• The pudendal nerve is the main nerve of the female perineum, providing sensory as well as motor innervation. It gives off the inferior anal nerve, dorsal nerve of clitoris and the perineal nerve.

Watch our video tutorial to learn more about these neurovascular structures and their branches, as well as supply and drainage area.

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Summary