renin

re·nin  (rnn, rnn)

n.

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

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[Latin rns, kidneys + -in.]

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renin  (rnn, rnn)

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

Thesaurus

Noun

1.

renin - a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure peptidase, protease, proteinase, proteolytic enzyme - any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis