| polyuria | <symptom> The passage of a large volume of urine in a given period, a characteristic of diabetes. Origin: Gr. Ouron = urine (18 Nov 1997) |
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| polyuria test | A test for renal insufficiency wherein the drinking of large quantities of water will cause a proportionate increase in the volume of urine if the kidneys are sound, but not if the epithelium of the secreting tubules is damaged. Synonym: polyuria test. (05 Mar 2000) |