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Excretion of excessive amounts of sodium in the urine.

[New Latin natriūrēsis : natrium, sodium (from French natron, natron; see natron) + ūrēsis, urination (from Greek ourēsis, from ourein, to urinate; see uretic).]

na′tri·u·ret′ic (-rĕt′ĭk) adj.


(Medicine) the presence of a large amount of sodium in urine


(ˌneɪ trə yʊˈri sɪs)

excretion of sodium in the urine.
[1957; natrium sodium (< German; see natron) + -uresis < Greek oúrēsis urination =ourē-, variant s. of oureîn to urinate + -sis -sis]
na`tri•u•ret′ic (-ˈrɛt ɪk) adj., n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.natriuresis - the presence of abnormally large amounts of sodium in the urine
symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease
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References in periodicals archive ?
Amiloride is a potassium-sparing diuretic that blocks the epithelial sodium channel (ENaC) in the collecting duct of the kidney, resulting in natriuresis and retention of potassium and magnesium.
In addition, naturally, it has high potassium content and both could be contributory to increased natriuresis and thereby a fall in blood pressure.
Obesity coupled with increased visceral and retroperitoneal fat raises BP by increased renal tubular reabsorption, impairing pressure natriuresis, volume expansion due to activation of the sympathetic nervous system, and reninangiotensin-aldosterone system.
Impaired stress induced pressure natriuresis is related to left ventricular structure in blacks.
All aspects of bone metabolism are affected by hyperglycemia, such as functional inappropriate hypoparathyroidism and osmotic diuresis causing natriuresis and accompanying hypercalciuria, leading to negative calcium balance and diabetic nephropathy responsible from abnormal vitamin D metabolism.
Intraperitoneal administration of AE also produced significant diuresis coupled with natriuresis and kaliuresis in rats (12), that could also contribute to the hypotensive effect.
Primary aldosteronism and impaired natriuresis in mice underexpressing TGF[beta]1.
BNP can promote natriuresis, inhibit secretion of antidiuretic hormone and sympathetic nerve impulse, and regulate baroreceptor.
(35) Paradoxically, untreated supine HTN can worsen OH by causing pressure natriuresis and diuresis, resulting in volume depletion.
As a result, there is defective sodium transport in the thick ascending limb, resulting in a mild natriuresis. This natriuresis leads to secondary proximal tubular sodium uptake as well as urate uptake, resulting in hypouricosuric hyperuricemia and gout.