The pudendal canal (also called Alcock's canal) is an anatomical structure in the pelvis through which the internal pudendal artery, internal pudendal veins, and the pudendal nerve pass. Structure The pudendal canal is formed by the fascia of the obturator internus muscle, or obturator fascia. It encloses the following: Internal pudendal artery. Internal pudendal veins. Pudendal nerve. These vessels and nerve cross the pelvic surface of the obturator internus. Clinical significance Pudendal nerve entrapment can occur when the pudendal nerve is compressed while it passes through the pudendal canal. History The pudendal canal is also known as Alcock's canal, named after Benjamin Alcock. Additional images See also Femoral canal Inguinal canal References External links — "The Female Perineum: Contents of the Pudendal Canal" Diagram at pudendal.info Perineum