urinary tract

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The passage from the pelvis of the kidney through the ureters, bladder, and urethra to the external urinary opening.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun anatomy the continuous system involved in the production and excretion of urine; the kidneys, ureters, urinary bladder and urethra

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the organs and tubes involved in the production and excretion of urine