Most people are surprised to learn that the glans penis is one of the least sensitive parts of the entire body. Obviously, this news may be worrying for circumcised males. The glans is insensitive to light touch, heat, cold, and even to pinpricks, as researchers at the Department of Pathology in the Health Sciences Centre at the University of Manitoba discovered. 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.
The nerve receptors of the corona are designed to be stimulated
through the medium of the foreskin. Direct stimulation of the glans
of the intact penis is most pleasant when the stimulus mimics the
moist, massaging action of the foreskin. The moving ring of pressure
created by the lips of the foreskin and ridged mucosa stimulate the
nerve receptors in the rim of the glans. While pleasurable
stimulation of the frenulum and ridged mucosa is instantly
perceived, sensation of the corona is slow and gradual. When fully
stimulated, the erotic sensations felt in the corona are perceived
as having a slow, warm, and rich quality. As nice as this is, it
hardly compares to the erotic sensations generated by the foreskin.
Circumcised males have been robbed of a normal body part. They have
also been robbed of a normal level of sexual sensation. Just as a
person whose lips were amputated could never really appreciate the
sensations that lips can convey, so a circumcised male can never
understand what his genitally intact friends experience. This helps
explain why some circumcised males defend circumcision so
vehemently. They have no idea what was taken from them and are
psychologically unprepared to deal with their loss.
From: What doctors don't tell you about circumcision
Paul M. Fleiss, M.D. and Frederick M. Hodges, D. Phil.
Copyright © 2008 by Paul M. Fleiss, M.D.