NCI Dictionary of Cancer Terms

  • Resize font
  • Print
  • Email
  • Facebook
  • Twitter
  • Google+
  • Pinterest

The NCI Dictionary of Cancer Terms features 7,926 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

proximal urethra
(PROK-sih-mul yoo-REE-thruh)
The part of the urethra closest to the inside of the body. The urethra is the tube through which urine leaves the body. In women, the proximal urethra is the part near the bladder and in men it is the part that goes through the prostate gland.