Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A proteinase of high specificity that is released by the kidney and acts to raise blood pressure by activating angiotensin.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry An circulating enzyme released by mammalian kidneys that converts angiotensinogen to angiotensin-I. Because its activity ultimately leads to formation of angiotensin-II and aldosterone, this hormone plays a role in maintaining blood pressure.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin rēnēs, kidneys + –in.]

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Examples

  • What happens is the kidneys in some ways, John, get overloaded and as a result of having all of that excess salt they start to release these hormones called renin, r-e-n-i-n, and what that causes is a shrinking of the blood vessels.

    CNN Transcript May 12, 2009 2009

  • "We are focusing on this system because we already know that inhibiting and controlling the production of renin, which is an enzyme that plays a role in the renin-angiotensin-aldosterone system, helps to preserve kidney function," Pool said.

    Baylor College of Medicine News 2010

  • Don't expect a routine test for that hormone, called renin, any time soon.

    Yahoo! News: Business - Opinion 2010

  • Drugs that block a hormonal cascade, known as the renin-angiotensin-aldosterone system

    THE MEDICAL NEWS 2010

  • Don't expect a routine test for that hormone, called renin, any time soon.

    PhysOrg.com - latest science and technology news stories 2010

  • The discovery provides insight into a protein, renin, that is important in blood pressure regulation ...

    THE MEDICAL NEWS Editors 2010

  • Drugs that block a hormonal cascade, known as the renin-angiotensin-aldosterone system

    THE MEDICAL NEWS Editors 2010

  • Don't expect a routine test for that hormone, called renin, any time soon.

    ajc.com - News 2010

  • The discovery provides insight into a protein, renin, that is important in blood pressure regulation ...

    THE MEDICAL NEWS Editors 2010

  • Don't expect a routine test for that hormone, called renin, any time soon.

    Dallas / Fort Worth news, weather, sports, traffic and video from cbs11tv.com 2010

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