PerineumandExternalGenitalia:Male
5
Plate363
Urethra
Prostate
Internal
urethral
sphincter
Prostatic sinuses
Prostatic utricle
External urethral
sphincter muscle
Bulb of penis
Crus of penis
Corpus cavernosum
Tunica albuginea
Corpus spongiosum
Tunica albuginea
Deep artery of penis
Intercavernous septum
of deep (Buck’s) fascia
Urethral lacunae (of Morgagni)
and urethral glands (of Littré)
Lacuna magna (inconstant)
Navicular fossa
Glans penis
External urethral orifice (meatus)
Roof of
urethra
Floor of
urethra
Trigone of
urinary bladder
Uvula of bladder
Urethral crest
Openings of
prostatic ducts
Openings of
ejaculatory ducts
Bulbo-urethral
(Cowper’s) gland
Openings of bulbo-urethral
ducts
Prostatic
urethra
Intermediate
part of
(membranous)
urethra
Bulbous
portion
Pendu-
lous
(penile)
portion
Spongy (cavernous) urethra
