Physiologic Function
phototropism
pho·tot·ro·pism [ foh-to-truh-piz-uhm, foh-toh-troh-piz-uhm ]
Subclass of:
Tropism
Definitions related to phototropism:
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The directional growth of organisms in response to light. In plants, aerial shoots usually grow towards light. The phototropic response is thought to be controlled by auxin (= AUXINS), a plant growth substance. (From Concise Dictionary of Biology, 1990)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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The movement of an organism, or part of an organism, in response to a light stimulus, usually toward or away from it.Gene Ontology DictionaryGene Ontology Consortium, 2021
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