noun \ˈrē-nən, ˈre-\

Definition of RENIN

:  a proteolytic enzyme of the kidney that plays a major role in the release of angiotensin

Origin of RENIN

International Scientific Vocabulary, from Latin renes
First Known Use: 1906


noun \ˈrē-nən also ˈren-ən\   (Medical Dictionary)

Medical Definition of RENIN

: a proteolytic enzyme of the blood that is produced and secreted by the juxtaglomerular cells of the kidney and hydrolyzes angiotensinogen to angiotensin I


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