1
.
| Pubic arcuate ligament |
2
.
| Upper pointer: Membranous part of urethra Lower pointer: Apex of prostate |
3
.
| Upper pointer: Medial margin of levator ani muscle Lower pointer: Prostatic fascia |
4
.
| Obturator fascia (partially removed) |
5
.
| Central tendon of perineum |
6
.
| Obturator internus muscle |
7
.
| Sacrotuberous ligament |
8
.
| External anal sphincter muscle |
9
.
| Anus |
10
.
| Anococcygeal ligament |
11
.
| Coccyx |
12
.
| Puboprostatic muscle |
13
.
| Body of pubic bone |
14
.
| Inferior pubic ramus |
15
.
| Obturator canal |
16
.
| Tendinous arch of levator ani muscle |
17
.
| Puborectalis muscle |
18
.
| Pubococcygeus muscle |
19
.
| Iliococcygeus muscle (17-19 are part of the levator ani muscle) |
20
.
| Posterior superior iliac spine (in background) |