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chemotaxis

Pronunciation: kē′mo-tak′sis

Definition:

  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.

Synonym(s): chemiotaxis, chemotropism

[chemo- + G. taxis, orderly arrangement]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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