1
.
| Acetabulum |
2
.
| Body of ischium (dissected) |
3
.
| Piriform muscle (cut off) |
4
.
| Sciatic nerve (note emergence of tibial portion through piriform muscle) |
5
.
| Tendon of obturator internus muscle (elevated from lesser sciatic notch and cut off) |
6
.
| Obturator internus muscle (exposed by removal of obturator membrane and parts of ischium and pubic bone) |
7
.
| Ischial tuberosity |
8
.
| Muscular branch of obturator artery to obturator internus |
9
.
| Ramus of ischium |
10
.
| External anal sphincter muscle (muscle fibers indistinct) |
11
.
| Posterior labial branch internal pudendal artery |
12
.
| Posterior labial nerve |
13
.
| Posterior labial vein (plexiform) |
14
.
| Major vestibular gland |
15
.
| Obturator nerve, artery, and vein (emerging from pelvis through obturator canal) |
16
.
| Femoral artery and vein (surrounded by femoral sheath) |
17
.
| Inguinal ligament |
18
.
| Area of origin of pectineus muscle from superior pubic ramus |
19
.
| Pubic tubercle |
20
.
| Body of pubic bone (partially cut away) |
21
.
| Pubic symphysis |
22
.
| suspensory ligament of clitoris (note continuation of tendons of ischiocavernosus and bulbospongiosus muscles into this area) |
23
.
| Ischiocavernosus muscle |
24
.
| Deep perineal fascia (partially removed) |
25
.
| bulbospongiosus muscle |
26
.
| Labium majus |
27
.
| Vestibular bulb |