1
.
| Bulbospongiosus muscle |
2
.
| Body of pubic bone |
3
.
| Central tendon of perineum |
4
.
| Upper pointer: Crus of penis Lower pointer: Ischiocavernosus muscle |
5
.
| Inferior fascia of urogenital diaphragm |
6
.
| Fibers of puborectalis muscle that extend into subcutaneous connective tissue of ischiorectal fossa |
7
.
| Obturator internus muscle |
8
.
| Obturator fascia |
9
.
| Sacrotuberous ligament |
10
.
| Levator ani muscle |
11
.
| Inferior pubic ramus |
12
.
| Obturator canal |
13
.
| Obturator membrane |
14
.
| Joint capsule of coccyx |
15
.
| Upper pointer: Inferior fascia of urogenital diaphragm Lower pointer: Superficial transverse perineal muscle (note asymmetry on two sides) |
16
.
| Ramus of ischium |
17
.
| Ischial tuberosity |
18
.
| External anal sphincter muscle (subcutaneous part) Note asymmetry ot this muscle on the two sides |
19
.
| Anus |
20
.
| Anococcygeal ligament |
21
.
| Coccyx |