chemotropism


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chemotropism

 [ke-mot´ro-pizm]
tropism elicited by chemical stimulation.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

chemotropism

(kĭ-mŏt′rə-pĭz′əm)
n.
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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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.
Synonym(s): chemotropism.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

chemotropism

a directional growth response in plants in relation to a directional chemical stimulus. An example is the growth of the pollen tube after pollination, perhaps due to a chemical substance in the stigma.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005