Main Entry: kal·li·kre·in Pronunciation: "kal-&-'krE-&n, k&-'lik-rE-&n Function: noun : a hypotensive protease thatliberates kinins from blood plasma proteins and is used therapeutically for vasodilation
kallikrein kal·li·kre·in (kāl'ĭ-krē'ĭn) n. An enzyme present in blood plasma, lymph, urine, saliva, pancreatic juices, and other body fluids that catalyzes the proteolysis of bradykininogen to bradykinin. Also called kininogenase.