| 1
.
| Crus of penis (cut off) |
| 2
.
| Corpus spongiosum of penis |
| 3
.
| Spongy part of urethra (opened) |
| 4
.
| Junction of membranous and spongy parts of urethra |
| 5
.
| Bulb of penis |
| 6
.
| Bulbospongiosus muscle (cut along midline raphe) |
| 7
.
| Central tendon of perineum |
| 8
.
| Deep transverse perineal muscle (partially resected and elevated) |
| 9
.
| Perineal membrane (posterior border) |
| 10
.
| Deep transverse perineal muscle (portion that lay superior to bulbourethral gland) |
| 11
.
| Superficial transverse perineal muscle |
| 12
.
| Left pointer: Nerve to deep transverse perineal muscle and sphincter muscle of urethra Right pointer: Internal pudendal artery (cut off within deep compartment) |
| 13
.
| Dorsal nerve of the penis |
| 14
.
| Dorsal vein of the penis (note its passage between arcuate pubic ligament and transverse perineal ligament) |
| 15
.
| Pubic arcuate ligament |
| 16
.
| Transverse perineal ligament |
| 17
.
| Sphincter muscle of urethra (middle pointer indicates fibers encircling membranous part of urethra) |
| 18
.
| Upper pointer: Internal pudendal vein Lower pointer: Superior fascia of urogenital diaphragm |
| 19
.
| Ramus of ischium |
| 20
.
| Perineal artery |
| 21
.
| Levator ani muscle |
