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Definition of Kinin
1. Noun. Any of a class of plant hormones that promote cell division and delay the senescence of leaves.
Definition of Kinin
1. a hormone [n -S] - See also: hormone
Medical Definition of Kinin
1. One of a number of widely differing substances having pronounced and dramatic physiological effects. Some (e.g., kallidin and bradykinin) are polypeptides, formed in blood by proteolysis secondary to some pathological process, that stimulate visceral smooth muscle but relax vascular smooth muscle, thus producing vasodilation; others (e.g., kinetin) are plant growth regulators. Origin: G. Kineo, to move, + -in (05 Mar 2000)
Lexicographical Neighbors of Kinin
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