Skip to main content
An official website of the United States government
Español
NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

prostate

(PROS-tayt)
A gland in the male reproductive system. The prostate surrounds the part of the urethra (the tube that empties the bladder) just below the bladder, and produces a fluid that forms part of the semen.
More Information
Drawing of the male reproductive system and urinary system anatomy showing the front and side views of the ureters, bladder, prostate gland, vas deferens, urethra, penis, and testicles. A side view of the seminal vesicle and ejaculatory duct is also shown. The drawing also shows front and side views of the rectum and lymph nodes in the pelvis.Enlarge this image in new window
Anatomy of the male reproductive and urinary systems showing the ureters, bladder, prostate gland, urethra, penis, testicles, and other organs.
Search NCI's Dictionary of Cancer Terms