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wikify penile skin
==Function==
In the penis, the loose attachment of the dartos fascia to [[Buck's fascia]] is responsible for the high degree of mobility of the penile [[penile skin]] over the underlying tissue.<ref name=Campbell10 /> It is also responsible for carrying the blood supply of the penile [[penile skin]], a longitudinally-coursing anastomotic network of vessels that arise from the external pudendal vessels.<ref name=Campbell10 />
In the [[scrotum]], the tunica dartos acts to regulate the temperature of the testicles, which promotes spermatogenesis. It does this by expanding or contracting to wrinkle the [[scrotal skin]].