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Preferred term

Tropism  

Type

  • mesh:Descriptor

Definition

  • 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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http://data.loterre.fr/ark:/67375/JVR-H43XQPF9-3

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