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. Syn: polyuria test.
Health4All
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. Syn: polyuria test.