renal threshold


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.

renal threshold

[′rēn·əl ′thresh‚hōld]
(physiology)
A concentration of a substance within the blood which, when reached, causes the substance to appear in the urine.
References in periodicals archive ?
13) This results in a lower renal threshold for glucose, so UGE occurs at a lower plasma glucose concentration.
Because glucose in the urine competes for reabsorption of 1,5-AG by the kidneys, blood glucose concentrations that exceed the renal threshold [usually approximately 180 mg/dL (10 mmol/L)] reduce the circulating 1,5-AG.
It has been established that the renal threshold for glucose is approximately 180 mg/dl for a healthy adult.