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→Sensitivity and innervation of the glans penis: Revise text and Wikify.
|DOI=10.1038/s41443-022-00561-9
|accessdate=2023-11-24
}}</ref>When the glans penis loses the protection of the [[foreskin]] it collects a layer of [[keratin]] and loses its glossy appearance. The thick layer of keratin drastically reduces sensitivity.
<!--The human glans penis has virtually no fine touch sensation and can only sense deep pressure and pain at a high threshold. This was first reported by the inventor of the aesthesiometer <ref>{{Von (1894)}} | [[Template:Von (1894)|see more]]</p></ref> and led Sir Henry Head to make his famous comparison with the back of the heel.<!-- <ref>{{Head (1920)}} | [[Template:Head (1920)|see more]]</p></ref> -->
The [[dartos|dartos muscle sheet]] in the [[foreskin]] produces contractions that are slow, sustained, and may produce great force, such as in cold temperatures.<ref name="jefferson1916">Jefferson G. [http://www.cirp.org/library/anatomy/jefferson/ The peripenic muscle; some observations on the anatomy of phimosis]. ''Surgery, Gynecology and Obstetrics'' 1916 Aug;23(2):177-81.</ref>
The innervation of the glans responds to pressure hence , so the glans are is meant to be stimulated with the [[foreskin]] as its medium.
While the human glans penis is protopathic, the prepuce contains a high concentration of touch receptors in the [[ridged band]].
In the human [[penis]], the prepuce is known to have ten times more corpuscular sensory receptors than the glans penis.
<!--Most people are surprised to learn that the glans penis is one of the least sensitive parts of the entire body.<ref name="halata1985">Halata Z, Munger BL. [http://www.cirp.org/library/anatomy/halata/ The Neuroanatomical basis for the protopathic sensibility of the human glans penis]. ''Brain Res'' 1986 Apr 23;371(2):205-30.</ref>-->
The glans is insensitive to light touch, heat, cold, and even pinpricks, as researches at the Department of Pathology in the Health Science Centre at the {{UNI|University of Manitoba|UManitoba}} discovered.<ref name="taylor1996">{{TaylorJR LockwoodAP TaylorAJ 1996}}</ref> The corona of the glans contains scattered free nerve endings, genital end bulbs, and pacinian corpuscles, which transmit sensations of pain and deep pressure. The glans is nearly incapable of detecting light touch.
|accessdate=2024-03-14
}}</ref>
Many [[foreskinned]] men prefer to keep their glans penis covered by their [[intact]] [[foreskin]] except for washing and sex.
==The glans penis after circumcision of the protective foreskin==