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阴茎勃起是一个十分复杂的神经血管现象 ,除需要三个血流动力学的协调 (增加动脉血流、海绵体窦平滑肌松弛、减少阴茎静脉回流 )外 ,尚需神经、神经递质、横纹肌、平滑肌以及白膜的参与。阴茎勃起有三条重要途径 :心理性、反射性及夜间勃起性。勃起的发生可分启动、充盈及维持?
Penile erection is a very complex neurovascular phenomenon, in addition to the need for three hemodynamic coordination (increase arterial blood flow, cavernosum sinus smooth muscle relaxation, reduce penile venous return), but also the nerves, neurotransmitters, striated muscle, Smooth muscle and white membrane involvement. Penile erection has three important ways: psychological, reflex and night erectile. Erectile dysfunction can be divided start, filling and maintenance?