经常遇见一些男性病人悄悄地到门诊来问:为啥阴茎会在清晨经常勃起?是不是有啥毛病?为了说明这个问题,先得从阴茎勃起的生理功能谈起。男性阴茎由两条阴茎海绵体和一条尿道海绵体组成。海绵体是由平滑肌构成的海绵网状结构,网间的空 Often encounter some male patients quietly to the clinic to ask: why the penis will often erection in the early morning? Is not what’s wrong? To illustrate this problem, first from the penile erection of the physiological function to talk about. The male penis consists of two penis and one urethral sponge. Sponge is composed of smooth muscle sponge mesh structure, empty network