aldosterone

noun

al·​do·​ste·​rone al-ˈdä-stə-ˌrōn How to pronounce aldosterone (audio)
ˌal-dō-ˈster-ˌōn,
-ˈstir- How to pronounce aldosterone (audio)
ˈal-dō-stə-ˌrōn
: a steroid hormone C21H28O5 of the adrenal cortex that functions in the regulation of the salt and water balance of the body

Examples of aldosterone in a Sentence

Recent Examples on the Web Spironolactone works by blocking a hormone called aldosterone and helps the kidneys flush salt and water out of the body to lower blood pressure. Elizabeth Robinson, NBC News, 9 Apr. 2024 Blood tests did show a different problem, however: oversecretion of a different hormone from the same gland - aldosterone, the body’s main regulator of the balance of salt and water, which can lead to upper-body obesity, muscle and bone weakness, and high blood pressure. Ariana Eunjung Cha, Anchorage Daily News, 19 Apr. 2022 Baxdrostat has the net effect of lowering blood pressure by blocking the production of a hormone called aldosterone, which regulates salt and water in the body. Ryan Cross, BostonGlobe.com, 9 Jan. 2023 These, too, are part of the Addisonian picture, a result of low levels of another adrenal hormone called aldosterone. H Lee Kagan, Discover Magazine, 11 Jan. 2011 The new medication gets around that problem by blocking an enzyme the body needs to produce aldosterone. Linda Carroll, NBC News, 7 Nov. 2022 Her body does not produce enough cortisol and aldosterone. Meghan McCormick, Forbes, 10 Sep. 2021 She was started on two medications: hydrocortisone, to replace the cortisol, and Florinef, to replace the aldosterone. Lisa Sanders, New York Times, 30 Sep. 2020 Another adrenal hormone, aldosterone, controls sodium levels, and through that, blood pressure. Lisa Sanders, New York Times, 30 Sep. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'aldosterone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

aldehyde + -o- + -sterone

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of aldosterone was in 1954

Dictionary Entries Near aldosterone

Cite this Entry

“Aldosterone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aldosterone. Accessed 25 Jun. 2024.

Medical Definition

aldosterone

noun
: a steroid hormone C21H28O5 of the adrenal cortex that functions in the regulation of the salt and water balance of the body

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