Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
tropism elicited by chemical stimulation.
che·mo·tax·is, positive chemotaxisnegative chemotaxis (kē'mo-tak'sis),
1. Movement of cells or organisms in response to chemicals, whereby the cells are attracted (positive chemotaxis) or repelled (negative chemotaxis) by substances exhibiting chemical properties.
2. The migration of polymorphonuclear leukocytes and macrophages toward higher concentrations of certain fragments of complement.
[chemo- + G. taxis, orderly arrangement]
Movement or growth of an organism or part of an organism in response to a chemical stimulus.
che′mo·tro′pic (kē′mō-trō′pĭk, kĕm′ō-) adj.
che·mo·tax·is, positive chemotaxis , negative chemotaxis (kē'mō-tak'sis, pozi-tiv, negă-tiv)
Movement of cells or organisms in response to chemicals.