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Medical Definition of Heliotaxis
1. A form of phototaxis, and perhaps of thermotaxis, in which there is a tendency to growth or movement toward (positive heliotaxis) or away from (negative heliotaxis) the sun or the sunlight. Synonym: heliotropism. Origin: helio-+ G. Taxis, orderly arrangement (05 Mar 2000)
Lexicographical Neighbors of Heliotaxis
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