Male external genitalia and perineum

Inferior fascia of urogenital diaphragm; deep and dorsal arteries of penis

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Image #167-3
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Male external genitalia and perineum
Inferior fascia of urogenital diaphragm; deep and dorsal arteries of penis
The left crus of the penis has been retracted. The cavernous tissue of the crus has been exposed by removing a portion of the tunica albuginea.
1 . Corpus spongiosum of penis
2 . Inferior pubic ramus
3 . Bulbospongiosus muscle
4 . Obturator externus muscle
5 . Crus of penis
6 . Ischiocavernosus muscle
7 . Perineal artery
8 . Superficial transverse perineal muscle (poorly developed)
9 . Central tendon of perineum
10 . Anus
11 . Spermatic cord (cut across)
12 . Body of pubic bone
13 . Crus of penis (pointer indicates tunica albuginea which has been partially removed elsewhere on crus to reveal underlying cavernous tissue)
14 . Upper pointer: Dorsal artery of penis Lower pointer: Deep artery of penis
15 . Pectineus muscle (cut across)
16 . Superior pubic ramus
17 . Upper pointer: Obturator canal Lower pointer: Acetabular branch of obturator artery
18 . Ramus of ischium
19 . Inferior fascia of urogenital diaphragm (perineal membrane)
20 . Bulb of penis