urinary tract

Medical Dictionary

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
urinary tract  


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The series of organs in the urinary system in which urine is formed and excreted. In most vertebrates, the urinary tract consists mainly of the kidneys, ureters, and bladder. In most mammals, and some fish and birds, the urinary tract also includes the urethra.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary

urinary tract definition


The body parts involved in the elimination of urine. The ureters, urethra, and urinary bladder are all part of the urinary tract.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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