Male external genitalia and perineum

Deep perineal space; bulbourethral gland and duct in situ

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Image #168-4

Male external genitalia and perineum

Deep perineal space; bulbourethral gland and duct in situ

The contents of the deep perineal space or pouch have been dissected. A thin layer of muscle that lay superficial to the bulbourethral gland (9) has been cut away and the gland has been freed of connective tissue.

1. Corpus cavernosum of penis left
2. Corpus cavernosum of penis right
3. Corpus spongiosum of penis
4. Bulbospongiosus muscle
5. Ramus of ischium
6. Upper pointer: Crus of penis Lower pointer: Ischiocavernosus muscle
7. Bulb of penis (sectioned in midline)
8. Central tendon of perineum
9. Bulbourethral gland
10. Superficial transverse perineal muscle
11. Deep transverse perineal muscle
12. Posterior margin of urogenital diaphragm
13. Upper pointer: Arcuate pubic ligament Lower pointer: Dorsal nerve of the penis
14. Upper pointer: Dorsal artery of penis Lower pointer: Deep artery of penis
15. Upper pointer: Spongy part of urethra Middle pointer: Duct of bulbourethral gland Lower pointer: Sphincter muscle of urethra
16. Perineal artery (pointer at branching of artery of bulb of penis)