Lexic.us

Definition of Phototaxis

1. n. The influence of light on the movements of low organisms, as various infusorians, the zoöspores of certain algæ, etc.; also, the tendency to follow definite directions of motion or assume definite positions under such influence. If the migration is toward the source of light, it is termed positive phototaxis; if away from the light, negative phototaxis.

Definition of Phototaxis

1. [n -TAXES]

Medical Definition of Phototaxis

1. Movement of a cell or organism towards (positive phototaxis) or away from a source of light (negative phototaxis). This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Phototaxis

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