阴茎海绵体(英语:corpus cavernosum penis)位于男性生殖器中的阴茎内,它的构造与海绵相同有许多小洞(海绵体),但是与海绵不同的是海绵体有一条海绵体动脉,是阴部动脉最后的小分支,平时呈卷曲状,受性刺激后,在短时间内松弛开来,快速的充血,将血液灌注到海绵体内,并暂时封闭静脉防止血液回流,直到压力上升到一定的限度才停止。这时充满血液的阴茎海绵体会将阴茎撑起,这就是勃起

Quick Facts 阴茎海绵体, 标识字符 ...
阴茎海绵体
横截面的阴茎
The constituent cavernous cylinders of the penis.
标识字符
拉丁文corpus cavernosum penis
TA98A09.4.01.014
TA23678
FMAFMA:19618
格雷氏p.1248
解剖学术语
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