urinary tract


  1. 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.

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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Cultural definitions for urinary tract

urinary tract

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

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