An external male reproductive organ. It contains a tube called the urethra, which carries semen and urine to the outside of the body.
Source: NCI Dictionary of Cancer Terms
Caption: Anatomy of the penis. The parts of the penis are the base, shaft, glans, and foreskin. The tissues that make up the penis include the dorsal nerve, blood vessels, connective tissue, and erectile tissue (corpus cavernosum and corpus spongiosum). The urethra passes from the bladder to the tip of the penis.Date last modified: 2015-03-30