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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.

Review Date 12/12/2016

Updated by: Walead Latif, MD, nephrologist and Clinical Associate Professor, Rutgers Medical School, Newark, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.