Español
Questions About Cancer? 1-800-4-CANCER
  • Print
  • Facebook
  • Twitter
  • Google+
  • Pinterest

NCI Dictionary of Cancer Terms


penis  listen  (PEE-nis)

  An external male reproductive organ. It contains a tube called the urethra, which carries semen and urine to the outside of the body.

More Information

Enlarge
Anatomy of the  male reproductive and urinary systems; drawing shows front and side views of ureters, lymph nodes, rectum, bladder, prostate gland, vas deferens,  penis, testicles, urethra, seminal vesicle, and ejaculatory duct.