1
.
| Deep perineal fascia (Buck's fascia) |
2
.
| Bulbospongiosus muscle |
3
.
| Ramus of ischium (area indicated by lower pointer covered by periosteum) |
4
.
| Crus of penis |
5
.
| Ischiocavernosus muscle |
6
.
| Perineal artery |
7
.
| Transverse perineal artery |
8
.
| Posterior scrotal nerve |
9
.
| Posterior part of superficial perineal fascia |
10
.
| Lunate fascia within ischiorectal fossa |
11
.
| External anal sphincter muscle |
12
.
| Branches of perineal nerve (spread to reveal nerve to Ischiocavernosus muscle) |
13
.
| Levator ani muscle |
14
.
| Corpus spongiosum of penis |
15
.
| Superficial perineal fascia (reflected) |
16
.
| Crus of penis |
17
.
| Nerve to anterior part of Ischiocavernosus muscle |
18
.
| Ischiocavernosus muscle (dissected) |
19
.
| Ramus of ischium |
20
.
| Nerve to posterior part of Ischiocavernosus muscle |
21
.
| Perineal nerve (branch to ischiocavernosus) |
22
.
| Internal pudendal artery and vein |