Chemotactic


[kee-moh-tak-sis, kem-oh-] /ˌki moʊˈtæk sɪs, ˌkɛm oʊ-/

noun, Biology.
1.
oriented movement toward or away from a chemical stimulus.
/ˌkɛməʊˈtæksɪs/
noun
1.
the movement of a microorganism or cell in response to a chemical stimulus
n.

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

chemotactic che·mo·tac·tic (kē’mō-tāk’tĭk, kěm’ō-)
adj.
Of or relating to chemotaxis.

chemotaxis che·mo·tax·is (kē’mō-tāk’sĭs, kěm’ō-)
n.
The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus. Also called chemotropism.
chemotaxis
(kē’mō-tāk’sĭs, kěm’ō-)
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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