Anatomy and Functions
of the
Male Foreskin.
To understand the function of the prepuce, it is necessary to understand the function of the penis.
While it is commonly recognized that the penis has two functions - urination and procreation - in reality, it is essential only for procreation, since it is not required for urination.
For procreation to occur, the normally flaccid penis must become erect.
As it changes from flaccidity to rigidity, the penis increases in length about 50 percent.
As it elongates, the double fold of skin (foreskin) provides the skin necessary for full expansion of the penile shaft.
But microscopic examination reveals that the foreskin is more than just penile skin necessary for a natural erection; it is specialized tissue [especially the "ridged bands" described in research by Taylor], richly supplied with blood vessels, highly innervated, and uniquely endowed with stretch receptors.
These attributes of the foreskin contribute significantly to the sexual response of the intact male.
The complex tissue of the foreskin responds to stimulation during sexual activity.
Stretching of the foreskin over the glans penis activates preputial nerve endings, enhances sexual excitability, and contributes to the male ejaculatory reflex.
Besides the neurological role of the preputial tissue, the mucosal surface of the inner lining of the foreskin has a specific function during masturbation or sexual relations.
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