- a proteolytic enzyme secreted by the kidneys that is involved in the release of angiotensin.
Origin of renin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a proteolytic enzyme secreted by the kidneys, which plays an important part in the maintenance of blood pressure
C20: from reni- + -in
Word Origin and History for renin
enzyme found in kidneys, 1894, from German Renin, from Latin renes "kidneys" + -in (2).
Online Etymology Dictionary, © 2010 Douglas Harper
- A protein-digesting enzyme that is released by the kidneys and that catalyzes the hydrolysis of angiotensinogen to angiotensin I.angiotensinogenase
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A proteinase enzyme of high specificity that is released by the kidney and acts to raise blood pressure by activating angiotensin. See also angiotensin.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.