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NCI Dictionary of Cancer Terms

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urinary tract  listen  (YOOR-ih-NAYR-ee trakt)

  The organs of the body that produce and discharge urine. These include the kidneys, ureters, bladder, and urethra.

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Anatomy of the male urinary system; shows the right and left kidneys, the ureters, the bladder filled with urine, and the urethra passing through the penis. The inside of the left kidney shows the renal pelvis. An inset shows the renal tubules and urine.  Also shown is the prostate.
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Anatomy of the female urinary system; shows the right and left kidneys, the ureters, the bladder filled with urine, and the urethra. The inside of the left kidney shows the renal pelvis. An inset shows the renal tubules and urine. The uterus is also shown.