penis+development,+circumcision,+erections+Ed+and+Sk

Penis development, Circumcision and Erections. The penis grows slowly during childhood, and then rapidly reaches adult size during puberty, which lasts about four years.

The penis consists of the shaft, the glans (head), and the prepuce (foreskin). The urethra is the tube that passes through the penis and transports both urine from the bladder and semen from the testicles.

This term refers to surgical removal of the foreskin, and it is commonly performed in newborn males for cultural or

religious reasons. Later in life, circumcision may be performed to correct phimosis, a condition in which the foreskin remains tight and cannot be pulled back over the head of the penis. It is important for uncircumcised males to fully retract the foreskin each time they urinate, and to clean under the foreskin daily when they shower or bathe. The presence or absence of the foreskin has no effect on sexual performance.

An erection occurs when the penis, which contains two cylinders of sponge-like tissue, fills with blood. Although erections have been called “boners,” there are no bones in the penis. When an erection occurs, the foreskin retracts (pulls back) over the head of the penis. Erections commonly occur in response to sexual thoughts and physical stimulation of the penis, during sleep in association with nocturnal emissions (“wet dreams”), and spontaneously for no apparent reason, often unexpected.

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