<prompt> Urogenital diaphragm is pierced by all EXCEPT;Internal pudendal arteryDorsal artery of penisDorsal nerve of penisUrethra  <response>: ANSWER: A Internal pudendal arteryREF: Gray s anatomy 40th Ed , Ch: 108STRUCTURES PIERCING UROGENITAL DIAPHRAGMIn malesIn females Urethra, 2-3 cm behind the inferior border of the symphysis pubis Urethra, 2-3 cm behind the inferior border of the symphysis pubis Vessels and nerves to the bulb of the penis Vagina, centrally Ducts of the bulbourethral glands, posterolateral to the urethral orifice Ducts of Bartholins glands, posterolateral to the urethral orifice Deep dorsal vessels and dorsal nerves of the penis, behind the pubic arch in the midline Deep dorsal vessels and dorsal nerves of the clitoris, behind the pubic arch in the midline Posterior scrotal vessels and nerves, anterior to the transverse perinei. Posterior labial vessels and nerves, anterior to the transverse perinei 