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Urine test

Overview

Urine is the liquid waste product excreted by the kidneys. It is stored in the bladder until it is emptied out through the urethra.

Update Date 11/26/2014

Updated by: Charles Silberberg, DO, private practice specializing in nephrology, affiliated with New York Medical College, Division of Nephrology, Valhalla, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.