“我的体毛少,是不是性能力就弱?”“我大学就开始脱发,这是不是雄激素不足?”类似的问题经常困扰着很多年轻的男性朋友。那么究竟这些体表特征或我们的第二性征,与性功能有什么样的关系呢?体毛多少不影响性能力。首先,我们应该对自己的身体有一个基本了解。男性睾丸产生了雄激素,它决定了男性一生的生理功能,从胚胎时期的性别分化到青春期的第二性征变化。从生理学角度,第二性征从某些层面可以反映男性一定的性功 “” “” “” “My hair is less, is not sexual ability is weak? ” “” My university begins to hair loss, this is not less than androgen? "Similar problems often plague many young male friends. So what exactly are these body surface features or our second sexual characteristics, and sexual function, what kind of relationship? Body hair, how much does not affect sexual ability. First, we should have a basic understanding of our own body. Male testicles produce androgens, which determine the physiological function of men’s life, from the embryonic gender differentiation to adolescent secondary sexual characteristics change. From a physiological point of view, secondary sexual characteristics from some aspects of men can reflect a certain amount of sexuality