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The movement or growth of an organism in a particular direction in response to contact with a solid object.

[Greek thigma, touch; see thigmotaxis + -tropism.]

thig′mo·tro′pic (thĭg′mə-trō′pĭk) adj.


(Botany) the directional growth of a plant, in response to the stimulus of direct contact. Also called: haptotropism or stereotropism
[C19: from Greek thigma touch + -tropism]
ˌthigmoˈtropic adj


(θɪgˈmɒ trəˌpɪz əm)

oriented growth of an organism in response to mechanical contact, as a plant coiling around a support.
[1895–1900; < Greek thígm(a) touch + -o- + -tropism]
thig`mo•trop′ic (-məˈtrɒp ɪk, -ˈtroʊ pɪk) adj.


stereotropism. — thigmotropic, adj.
See also: Growth
stereotropism. — thigmotropic, adj.
See also: Biology
stereotropism. — thigmotropic, adj.
See also: Motion
References in periodicals archive ?
thigmomorphic, thigmotropic, self-loading, growth strains, turgor
1), and and along with saxicolous (rock-dwelling) species can also be thigmotropic in that they grow against adjacent tree bark or rocks regardless of their orientation relative to gravity (Benzing, 1980 p.
longipalpis involves a thigmotropic response (39), suggesting that in the wild females lay eggs in confined spaces such as crevices rather than on exposed surfaces.