Definition of "angiotensin" []

• Any of three polypeptide hormones, one of which is a powerful vasoconstrictor, that function in the body in controlling arterial pressure. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Benicar blocks the actions of a hormone called angiotensin II to increase blood pressure."
• "The study involved the drug Avapro, known generically as irbesartan, a member of a class of blood-pressure drugs called angiotensin-receptor blockers or ARBs."
• "What researchers have found was when folks are taking drugs called the angiotensin receptors, that it delays dementia by two years."