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a substance, e.g., a complement component, that induces chemotaxis.
chemotaxin/che·mo·tax·in/ (-tak´sin) a substance, e.g., a complement component, that induces chemotaxis.
A substance released by bacteria, injured tissue, and white blood cells that stimulates the movement of neutrophils and other white blood cells to the injured area. Complement factors 3a (C3a) and 5a (C5a), cytokines, leukotrienes, prostaglandins, and fragments of fibrin and collagen are common chemotaxins.See: inflammation
a substance, e.g. a complement component, that induces chemotaxis.