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Related to thigmotropism: phototropism, geotropism


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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


stereotropism. — thigmotropic, adj.
See also: Growth
stereotropism. — thigmotropic, adj.
See also: Biology
stereotropism. — thigmotropic, adj.
See also: Motion
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Although not yet defined, virulence factors are generally considered as those that interact directly with host cells causing damage.[sup][3] Morphological transition between yeast and hyphal forms, expression of adhesins and invasins on the cell surface, production of tissue-damaging hydrolytic enzymes (e.g., proteases, phospholipases and hemolysins), phenotypic switching and thigmotropism are the commonly known virulence factors.[sup][4]
Thigmotropism is the property by which hyphae of C.
Biologists have speculated that much of lichen initiation is driven by thigmotropism, or a tendency to grow toward physical contact.