leukin(redirected from leucin)
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A thermostable bactericidal substance extracted from leukocytes.
[leukocyte + -in]
leukin/leu·kin/ (loo´kin) a bactericidal substance from leukocyte extract.
leukinA heat-stable bactericidal substance or substances produced by leukocytes.
a lytic substance extractable from polymorphonuclear lymphocytes and that attacks spore-bearing aerobic bacteria, especially Bacillus anthracis.