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The two primary sensory receptors in primate [[skin]] are free nerve endings and encapsulated or corpuscular receptors. While free nerve endings (pain, itch, and temperature receptors) are found in most [[skin]], the encapsulated receptors are concentrated in regions that require specialised touch sensitivity, such as at the fingertips, lips, external genitalia, perianal [[skin]], and transition areas between [[skin]] and [[Mucosa| mucous membranes]].<ref>{{REFbook

}}</ref> The [[foreskin]] is what's known as a specific erogenous zone.<ref name="ErogenousZones"/> This means that it is richly equipped with a high density and concentration of specialized and sophisticated nerve receptors that convey pleasure.<ref name="garcía-mesa2021" /> The presence of specialized nerves, nerves that do no not exist elsewhere, make this part of the [[penis ]] especially important. Consequently, this has been studied in detail by respected anatomists for over a century, who have transformed their knowledge by detailed empirical observation of the nerves that are present in the [[foreskin]].

These remarkable organs provide the [[foreskin ]] with its amazing ability to detect the slightest sensations of touch, motion, temperature, and pressure. We are still unaware of all the facts about these fascinating structures. Future research may discover even more nerve receptors in the foreskin and help clarify what purposes they serve. The primary zones of erogenous sensitivity are the [[frenulum]], [[ridged band]] of [[Preputial mucosa|mucosa]], and the preputial orifice and the external fold of the [[foreskin]]. All of these zones are orgasmic triggers. Continuous gentle stimulation of any one of these areas can elicit pleasure, [[erection]], orgasm, and ejaculation. Some men report that simple retraction of their foreskin causes [[erection]].