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[al-doh-sti-rohn, al-doh-sti-rohn, al-dos-tuh-rohn] /ˌæl doʊ stɪˈroʊn, ˈæl doʊ stɪˌroʊn, ælˈdɒs təˌroʊn/
noun, Biochemistry.
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.
Origin of aldosterone
First recorded in 1950-55; ald(ehyde) + -o- + ster(ol) + -one Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for aldosterone


the principal mineralocorticoid secreted by the adrenal cortex. A synthesized form is used in the treatment of Addison's disease. Formula: C21H27O5
Word Origin
C20: from ald(ehyde) + -o- + ster(ol) + -one
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for aldosterone

isolated 1953, named with -one + elements of aldehyde, sterol.

Online Etymology Dictionary, © 2010 Douglas Harper
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aldosterone in Medicine

aldosterone al·dos·ter·one (āl-dŏs'tə-rōn')
A steroid hormone secreted by the adrenal cortex that regulates the salt and water balance in the body.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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aldosterone in Science
A steroid hormone secreted by the adrenal cortex that regulates salt and water balance in the body. Chemical formula: C21H28O5.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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