Dartos: Difference between revisions
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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 [[skin]] over the underlying tissue.<ref name=Campbell10 /> It is also responsible for carrying the blood supply of the penile [[skin]], a longitudinally-coursing anastomotic network of vessels that arise from the external pudendal vessels.<ref name=Campbell10 /> | 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 [[skin]] over the underlying tissue.<ref name=Campbell10 /> It is also responsible for carrying the blood supply of the 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 | 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]]. | ||
* Contraction reduces the surface area available for heat loss, thus reducing heat loss and warming the testicles. | * Contraction reduces the surface area available for heat loss, thus reducing heat loss and warming the testicles. | ||