aldosterone

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aldosterone A steroid hormone that is synthesized by the adrenal cortex (adrenal gland). It influences electrolyte balance by promoting the retention by the body of sodium ions and the excretion of those of potassium; it also affects the rate of carbohydrate metabolism.

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aldosterone A hormone produced by the adrenal glands (see corticosteroid) that controls excretion of sodium by the kidneys and thereby maintains the balance of salt and water in the body fluids. See also angiotensin.

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aldosterone (al-dos-ter-ohn) n. a steroid hormone (see corticosteroid) that is synthesized and released by the adrenal cortex and acts on the kidney to regulate salt (potassium and sodium) and water balance.

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aldosterone A steroid hormone secreted by the adrenal cortex which controls the excretion of salts and water by the kidneys.