Innervation
5
Plate389
Dorsal nerve of penis
Superficial perineal
(Colles’) fascia (
cut
to open superficial
perineal space
)
Superficial and deep
branches of
perineal nerve
Dorsal nerve of penis
(passes superior to
perineal membrane)
Perineal nerve
Pudendal nerve
Pudendal canal
(Alcock’s) (
opened up
)
Obturator fascia
(of obturator
internus muscle)
Piriformis muscle
Coccygeus
(ischiococcygeus)
muscle
Ischial
spine
Pudendal
nerve
Levator ani muscle
Obturator
internus muscle
Inferior
clunial nerves
on gluteus
maximus muscle
Perforating
cutaneous nerve
Inferior anal (rectal) nerves
Anococcygeal nerve
Sacrotuberous ligament (
cut
)
Posterior scrotal nerves
Perineal
nerves
Superficial
Deep
Posterior femoral
cutaneous nerve
Perineal membrane (
cut to show
neurovascular structures on superior
aspect of perineal membrane
)
Dorsal nerve of penis
(continuation of
pudendal nerve supplying
muscles on superior aspect
of perineal membrane)
NervesofPerineum:Male
See±also±
Plate 394
±
