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人体是否存在类似前列腺这样的快感来源?

愉悦神经主要分布在皮肤表面,而非体内腺体中,这使得它们更容易被触摸和刺激。这是自然进化的结果。如果体内存在无法触及的愉悦神经,它们早已退化消失。只有分布在体表的愉悦神经才能被我们感知,并在进化过程中得以保留。因此,由于愉悦神经位于体表,我们无需考虑体内刺激。

 

前列腺是一个主要功能是分泌前列腺液的腺体,前列腺液是精液的组成成分之一。相关的快感神经主要分布在肛门和肛周皮肤;前列腺旁边是另一个腺体——精囊,它分泌精囊液,精液的主要成分;精囊液中含有前列腺素,而前列腺液中并不含前列腺素。是不是很奇怪?人们常常对此存在误解,例如认为快感来自前列腺,而实际上快感是在肛门附近产生的。