[ an-jee-oh-ten-sin ]
/ ˌæn dʒi oʊˈtɛn sɪn /
any of three oligopeptides occurring in plasma, an inactive form (angiotensin I ) and two varieties (angiotensin II and angiotensin III ) that elevate blood pressure and stimulate the adrenal cortex to secrete aldosterone.
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Origin of angiotensin
1960–65; probably blend of angiotonin + hypertensin, earlier names for the substances
Words nearby angiotensin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for angiotensin
/ (ˌændʒɪəˈtɛnsɪn) /
a peptide of physiological importance that is capable of causing constriction of blood vessels, which raises blood pressure
Word Origin for angiotensin
from angio- + tense 1 + -in
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
Medical definitions for angiotensin
[ ăn′jē-ō-tĕn′sĭn ]
Any of a group of peptides with vasoconstrictive activity that function physiologically in controlling arterial pressure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for angiotensin
[ ăn′jē-ō-tĕn′sĭn ]
Any of three polypeptide hormones that function in the body in controlling arterial pressure. The most important is known as angiotensin II, a powerful vasoconstrictor that stimulates steroid production by the adrenal glands, reduces fluid loss from the kidneys, and also functions as a neurotransmitter. Angiotensin II is formed from inactive angiotensin I by the action of angiotensin-converting enzyme (or ACE). See also ACE inhibitor renin.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.