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DeCS
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Descriptor English:
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Tropism
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Descriptor Spanish:
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Tropismo
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Descriptor Portuguese:
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Tropismo
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Synonyms English:
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Tropisms
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Tree Number:
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G07.345.249.845
G15.920
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Definition English:
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The directional growth of an organism in response to an external stimulus such as light, touch, or gravity. Growth towards the stimulus is a positive tropism; growth away from the stimulus is a negative tropism. (From Concise Dictionary of Biology, 1990) |
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Indexing Annotation English:
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distinguish -tropic from -trophic (nutritional)
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See Related English:
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Viral Tropism
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History Note English:
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95
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Allowable Qualifiers English:
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Record Number:
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31996
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Unique Identifier:
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D018523
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Occurrence in VHL:
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Similar:
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DeCS
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