PerineumandExternalGenitalia:Male
5
Plate361
MalePerinealSpaces
Pubic symphysis
Inferior
(arcuate)
pubic
ligament
Deep dorsal
vein of penis
Ischiopubic ramus
Urethra
Perineal
membrane
Pubic bone
Transverse perineal ligament (anterior
thickening of perineal membrane)
Dorsal artery and nerve of penis
Deep artery of penis
Urethral artery
Duct of bulbo-urethral (Cowper’s) gland
Artery of bulb of penis
Deep perineal (investing or Gallaudet’s) fascia over
ischiocavernosus, bulbospongiosus, and
superficial transverse perineal muscles (c
ut away
)
Superficial perineal
(Colles’) fascia
(
cut away
)
Superficial transverse perineal muscle
(
cut and reflected
)
Ischial tuberosity
Inferior views
Perineal
body
Dorsal artery and nerve of penis
Deep artery of penis
Urethral artery
Bulbo-urethral (Cowper’s) gland
Artery of bulb of penis
Perineal membrane (
cut edge
)
Internal pudendal artery
and dorsal nerve of penis
Internal pudendal artery and perineal branch
External
urethral
sphincter
muscle
Urethra
Deep transverse
perineal muscle
Levator ani muscle
Perineal membrane
Deep transverse perineal muscle
Deep perineal (investing
or Gallaudet’s) fascia
Corpus cavernosum (crus of penis)
and deep (Buck’s) fascia of penis
Ischiocavernosus muscle
Superficial perineal (Colles’) fascia
(closes superficial perineal space)
Urinary bladder
Prostate
Obturator internus muscle
Ischiopubic ramus
External urethral sphincter muscle
Bulbo-urethral (Cowper’s) gland
Ischiocavernosus muscle
Bulb of penis (corpus spongiosum) and
deep (Buck’s) fascia of penis
Bulbospongiosus muscle
Frontal section, anterior view of perineum: schema
