What is cold penis atrophy?

Due to sympathetic nerve excitability enhancement, arterial contraction, penile artery blood flow into the penis reduced, penis weakness, atrophy, local skin feeling cold, more common in cold weather, emotional tension. But some people to summer penis cool without high temperature, scrotal contracture wrapped testicles, penis erection weakness, no morning erection, this situation may be caused by kidney deficiency performance. Kidney yang deficiency, warm loss of division, penis blood by kidney yang into the penis, and maintain blood leakage, so that the penis erection, and continue to maintain erection state. If kidney yang deficiency, penis blood supply deficiency, performance for penile erectile dysfunction, penis cold atrophy.