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Definition of Chemotaxis
1. Noun. Movement by a cell or organism in reaction to a chemical stimulus.
Definition of Chemotaxis
1. n. 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).
Definition of Chemotaxis
1. Noun. (biology biochemistry) the movement of a cell or an organism in response to a chemical stimulant ¹
¹ Source: wiktionary.com
Definition of Chemotaxis
1. [n -TAXES]
Medical Definition of Chemotaxis
1. A response of motile cells or organisms in which the direction of movement is affected by the gradient of a diffusible substance. Differs from chemokinesis in that the gradient alters probability of motion in one direction only, rather than rate or frequency of random motion. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)