CHEMOTAXIS

chemotaxis

(noun) movement by a cell or organism in reaction to a chemical stimulus

Source: WordNet® 3.1


Etymology

Noun

chemotaxis (countable and uncountable, plural chemotaxes)

(biology, biochemistry) The movement of a cell or an organism in response to a chemical stimulant.

Coordinate terms

• chemotropism

Source: Wiktionary


Chem`o*tax"is, n. Formerly also Chem`i*o*tax"is. [Chemical + Gr. arrangement, fr. to arrange.] (Biol.)

Definition: The sensitiveness exhibited by small free-swimming organisms, as bacteria, zoöspores of algæ, etc., to chemical substances held in solution. They may be attracted (positive chemotaxis) or repelled (negative chemotaxis). -- Chem`o*tac"tic (#), a. -- Chem`o*tac"tic*al*ly, adv.

Source: Webster’s Unabridged Dictionary 1913 Edition



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