leukopenic factor

leu·ko·pe·nic fac·tor

obsolete principle obtained during studies of inflammatory exudates; causes leukopenia when injected into normal animals.
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occidiankocytosis-promoting factor

A substance or family of substances (possibly cytokines) present in inflammatory exudates, which, when injected into experimental models, induces leukocytosis
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.