Ihe prepubertal scrotal skin is thin and thickens with subsequent hormonal stimulation. Immediately beneath the skin are the smooth muscle and elastic tissue layers of the Dartos fascia, similar to the superficial fatty layer (Camper's fascia) of the abdominal wall. Ihe deep membranous layer (Scarpa's fascia) of the abdominal wall extends into the perineum, where it is referred to as Colles' fascia and forms part of the scrotal wall ( Fig, 91-2.). Ihe blood supply is primarily derived from branches of the femoral and internal pudendal arteries. Lymphatics from the scrotum drain into the inguinal and femoral nodes.

FIG. 91-2. Anatomy of the scrotum and the testis.
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