renin

[ ree-nin ]

noun

, Biochemistry.

1. a proteolytic enzyme secreted by the kidneys that is involved in the release of angiotensin.

renin

/ ˈriːnɪn /

noun

1. a proteolytic enzyme secreted by the kidneys, which plays an important part in the maintenance of blood pressure

renin

/ rē′nĭn,rĕn′ĭn /

1. A proteinase enzyme of high specificity that is released by the kidney and acts to raise blood pressure by activating angiotensin.
2. See also angiotensin

Word History and Origins

Origin of renin¹

First recorded in 1890–95; ren(i)- + -in ²

Word History and Origins

Origin of renin¹

C20: from reni- + -in