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AAAC25 21/5/05 10:46 AM Page 58
25 The perineum

Dorsal vein
Corpus cavernosum
Corpus spongiosum
Muscles
with urethra
Ischiocavernosus
Crus
Penile Bulbospongiosus
Bulb
Perineal membrane Superficial transverse
perineal muscle
Perineal body
Levator ani

External sphincter ani
Gluteus maximus
Fig.25.1
The male perineum

Crus clitoris Muscles
Glans clitoris
Urethra Bulbospongiosus
Bulb Ischiocavernosus
Vagina
Bartholin's gland Superficial transverse
Perineal membrane perineal muscle
Ischial tuberosity External anal sphincter
Perineal body Levator ani
Gluteus maximus

Fig.25.2
The female perineum

Testicular
artery

Pampiniform
Vas deferens plexus
Epididymis

Tunica
vaginalis
Testis

Fig.25.3
The testis and epididymis

58 Abdomen and pelvis