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urinary system

[ yurə-nĕr′ē ]
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The system of organs and tissues involved with regulation of water content and salt concentration in the body and with the excretion of metabolic wastes and excess water and salt in the form of urine. In mammals, the urinary system consists of the urinary tract and associated tissues.
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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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