Meanwhile, sponge body fills up systole inside output vein, reduce the haemal circumfluence that vein carries, assured the sufficient plentiful of sponge body sinus so, maintained the penis erect.

• 与此同时，海绵体输出静脉内垫收缩，减少静脉端的血液回流，这样保证了海绵体静脉窦的充分充盈，维持了阴茎的勃起。