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hyperaldosteronism

[hahy-per-al-doh-ster-uh-niz-uh m, -al-dos-ter-uh-] /ˌhaɪ pərˌæl doʊˈstɛr əˌnɪz əm, -ælˈdɒs tər ə-/
noun, Pathology
Origin
1950-1955
1950-55; hyper- + aldosterone + -ism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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hyper aldosteronism in Medicine

hyperaldosteronism hy·per·al·dos·ter·on·ism (hī'pər-āl-dŏs'tə-rō-nĭz'əm, -āl'dō-stěr'ə-)
n.
See aldosteronism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for hyper aldosteronism

hyperaldosteronism

increased secretion of the hormone aldosterone by the cells of the zona glomerulosa (the outer zone) of the adrenal cortex. The primary actions of aldosterone are to increase retention of salt and water and to increase excretion of potassium by the kidneys and to a lesser extent by the skin and intestine. Hyperaldosteronism may be classified as primary or secondary. Primary hyperaldosteronism (primary aldosteronism) is the unregulated secretion of aldosterone due to an adrenal tumour or hyperplasia of both adrenal glands. The tumours are nearly always benign (adenoma). Secondary hyperaldosteronism (secondary aldosteronism) is caused by disorders that result in loss of sodium (salt) and water from the body and decreased blood flow to the kidneys.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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