Renin's

renin

[ree-nin]
noun Biochemistry.
a proteolytic enzyme secreted by the kidneys that is involved in the release of angiotensin.

Origin:
1890–95; ren(i)- + -in2

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World English Dictionary
renin (ˈriːnɪn)
 
n
a proteolytic enzyme secreted by the kidneys, which plays an important part in the maintenance of blood pressure
 
[C20: from reni- + -in]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

renin re·nin (rē'nĭn, rěn'ĭn)
n.
A protein-digesting enzyme that is released by the kidneys and that catalyzes the hydrolysis of angiotensinogen to angiotensin I. Also called angiotensinogenase.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
renin   (rē'nĭn, rěn'ĭn)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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