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thigmotropism

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thigmotropism /thig·mot·ro·pism/ (thig-mot´rah-pizm) tropism of an organism elicited by touch or by contact with a solid or rigid surface.thigmotrop´ic
thig·mot·ro·pism (thg-mtr-pzm)
n.
The turning or bending response of an organism or part of an organism upon direct contact with a solid surface or object. Also called stereotropism.

thigmo·tropic (thgm-trpk, -trpk) adj.

thigmotropism [thig-mot´ro-pizm]
tropism in response to the stimulus of contact. adj., adj thigmotrop´ic.

thigmotropism
the orientation of an organism in response to the stimulus of contact.


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Biologists have speculated that much of lichen initiation is driven by thigmotropism, or a tendency to grow toward physical contact.
 
 
 
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