Bassett Collection of Stereoscopic Images of Human Anatomy

Collection Home

KEYWORDS: Muscles and tendons, Vasculature.

Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.

For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

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The left crus of the penis has been retracted.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