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chemotaxis

[kee-moh-tak-sis, kem-oh-]
noun Biology.
  1. oriented movement toward or away from a chemical stimulus.
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Origin of chemotaxis

First recorded in 1890–95; chemo- + -taxis
Related formsche·mo·tac·tic [kee-moh-tak-tik, kem-oh-] /ˌki moʊˈtæk tɪk, ˌkɛm oʊ-/, adjectiveche·mo·tac·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chemotaxis

Historical Examples of chemotaxis

  • In general, the response of the leukocytes to chemotaxis is a conservative process.

    A Manual of Clinical Diagnosis

    James Campbell Todd

  • Chemotaxis means simply the effect of the presence of certain substances on vital organisms without specific chemical action.

    Parallel Paths

    Thomas William Rolleston

  • Chemotaxis alone will not explain the continuance of leukocytosis for more than a short time.

  • Non-phagocytic leukocytosis is probably due more to stimulation of blood-making organs than to chemotaxis.


British Dictionary definitions for chemotaxis

chemotaxis

noun
  1. the movement of a microorganism or cell in response to a chemical stimulus
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Derived Formschemotactic, adjectivechemotactically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for chemotaxis

n.

1891, coined in German, 1888, by German botanist Wilhelm Pfeffer (1845-1920) from chemo- + Greek taxis "arrangement" (see taxidermy).

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Online Etymology Dictionary, © 2010 Douglas Harper

chemotaxis in Medicine

chemotaxis

(kē′mō-tăksĭs)
n.
  1. The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus.chemotropism
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

chemotaxis in Science

chemotaxis

[kē′mō-tăksĭs, kĕm′ō-]
  1. The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus. Bacteria exhibit chemotaxis when they move toward a source of nutrients.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.