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

In some individuals, the body produces too much aldosterone.

From Science Daily • Apr. 3, 2026

Another condition linked to resistant hypertension is "primary hyperaldosteronism," which occurs when the body produces too much aldosterone.

From Science Daily • Mar. 30, 2026

Figure 28.7 ADH and aldosterone increase blood pressure and volume.

From Textbooks • Jun. 9, 2022

The renin-angiotensin-aldosterone system is one way that aldosterone release is controlled.

From Textbooks • Jun. 9, 2022