aldosterone

American  

[al-doh-sti-rohn, al-doh-sti-rohn, al-dos-tuh-rohn] / ˌæl doʊ stɪˈroʊn, ˈæl doʊ stɪˌroʊn, ælˈdɒs təˌroʊn /

noun

Biochemistry.

1. a hormone produced by the cortex of the adrenal gland, instrumental in the regulation of sodium and potassium reabsorption by the cells of the tubular portion of the kidney.

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aldosterone British  

/ ælˈdɒstəˌrəʊn /

noun

1. the principal mineralocorticoid secreted by the adrenal cortex. A synthesized form is used in the treatment of Addison's disease. Formula: C 21 H 27 O 5

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aldosterone Scientific  

/ ăl-dŏs′tə-rōn′ /

1. A steroid hormone secreted by the adrenal cortex that regulates salt and water balance in the body. Chemical formula: C ₂₁ H ₂₈ O ₅ .

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Etymology

Origin of aldosterone

First recorded in 1950–55; ald(ehyde) + -o- + ster(ol) + -one

Example Sentences

AstraZeneca said that Baxfendy treats hypertension in a new way by targeting aldosterone, a hormone that raises blood pressure.

From The Wall Street Journal • May 18, 2026

For the second factor, mice were exposed to an aldosterone infusion.

From Science Daily • May 30, 2024

The researchers also measured two hormones that are affected by liquorice and that regulate fluid balance: renin and aldosterone.

From Science Daily • Mar. 14, 2024

Angiotensin II functions as a hormone and then causes the release of the hormone aldosterone by the adrenal cortex, resulting in increased Na+ reabsorption, water retention, and an increase in blood pressure.

From Textbooks • Jun. 9, 2022

The hormone aldosterone stimulates the reabsorption of water and sodium ions in the kidney, which results in increased blood pressure and volume.

From Textbooks • Jun. 9, 2022