A sensitivity study of the adult penis in circumcised and uncircumcised men shows that the uncircumcised penis is significantly more sensitive. The most sensitive location on the circumcised penis is the circumcision scar on the ventral surface. Five locations on the uncircumcised penis that are routinely removed at circumcision are significantly more sensitive than the most sensitive location on the circumcised penis.
In addition, the glans (head) of the circumcised penis is less sensitive to fine touch than the glans of the uncircumcised penis. The tip of the foreskin is the most sensitive region of the uncircumcised penis, and it is significantly more sensitive than the most sensitive area of the circumcised penis. Circumcision removes the most sensitive parts of the penis.
This study presents the first extensive testing of fine touch pressure thresholds of the adult penis. The monofiliment testing instruments are calibrated and have been used to test female genital sensitivity.
Sorrells, M. et al., “Fine-Touch Pressure Thresholds in the Adult Penis,” BJU International 99 (2007): 864-869.
A report published in the British Journal of Urology assessed the type and amount of tissue missing from the adult circumcised penis by examining adult foreskins obtained at autopsy. Investigators found that circumcision removes a significant amount of erogenous tissue on the penile shaft. The foreskin, according to the study, protects the head of the penis and is comprised of unique zones with several kinds of specialized nerves that are important to optimum sexual sensitivity.
Taylor, J. et al., “The Prepuce: Specialized Mucosa of the Penis and Its Loss to Circumcision,” BJU 77 (1996): 291–295.
What is the “ridged band”?
“Ridged band” is the name given by Canadian anatomist Dr. John R. Taylor to a unique part of the human male prepuce (foreskin). The ridged band is a ring of deeply corrugated or ridged mucous membrane lining the tip of the prepuce. When the prepuce is retracted, the main part of the ridged band lies across the top and sides of the shaft of the penis. On the underside of the penis, the ridged band merges into the frenulum of the prepuce. Stretching of the accordion-like ridged band triggers important sexual reflexes and erogenous sensation.