kinin

A kinin is any of various structurally related polypeptides, such as bradykinin and kallikrein. They are members of the autacoid family.They act locally to induce vasodilation and contraction of smooth muscle.It is a component of the kinin-kallikrein system.
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Kinin /ki·nin/ any of a group of vasoactive straight-chain polypeptides formed by kallikrein-catalyzed cleavage of kininogens; causing vasodilation [more]Kinin - Community and Resources

Noun
1. any of a class of plant hormones that promote cell division and delay the senescence of leaves
(synonym) cytokinin
(hypernym) phytohormone, plant hormone, growth regulator

n. quinine

n. china bark

n. grudge, rancour [Brit.], rancor, spite, hate, enmity, animosity, animus, antagonism, despite, gall, hatred, hostility, ill feeling, malevolence, malignity, resentment, revenge, venom, venomousness, virulence

n. sheath, scabbard

quinine