Horizontal section of the female pelvis as seen from above
Horizontal section of the female pelvis. The left half is shown from below. In the middle, notice the female urethra (1), the vagina (2) and the anus (3). On the left side of them, in the prepared ischiorectal fossa, find the internal pudendal artery and vein (5) and the inferior rectal artery (6). Anterior to these structures, find the prepared urogenital diaphragm (4). Laterally, examine the Obturator internus (7).