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atrial natriuretic factor

any of several peptide hormones that are released by the atria of the heart in response to an abnormal increase in blood volume and that modulate blood pressure and the excretion of sodium, potassium, and water.
Abbreviation: ANF.
Also called atriopeptin, auriculin. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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atrial natriuretic factor in Medicine

atrial natriuretic factor n.
A peptide hormone released from cardiac atrial tissue that causes increased elimination of sodium by the kidney.

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