The foreskin is the double-layered fold of smooth muscle tissue, blood vessels, neurons, skin, The highly innervated mucocutaneous zone of the penis occurs near the tip of the The foreskin of adults is typically retractable over the glans.
AIDS. 2010 Mar 27;24(6):899-906. doi: 10.1097/QAD.0b013e3283367779. Keratinization of the adult male foreskin and implications for male circumcision.
Adult male foreskin specimens were collected from consenting donors undergoing elective circumcision at Northwestern Memorial and Rush Presbyterian.