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Tropism


tropism
reaction to stimuli, response of living organism, or some part of it, to a stimulus, usually through differential growth, etc.
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Tropisms
A tropism is a growth movement whose direction is determined by the direction from which the stimulus strikes the plant.
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Tropisms are typically associated with plants (although not necessarily restricted to them).
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tropism: the bending or turning response of a plant caused by external stimuli.
turgor: pressure the pressure exerted on a plant's guard cells to open.
U ...
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tropism The movement of plant parts toward or away from a stimulus in the plant's environment. Plant movement in response to an environmental stimulus. PICTURE ...
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tropism
A growth response that results in the curvature of whole plant organs toward or away from stimuli due to differential rates of cell elongation.
tuber ...
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geotropism The bending responses of a plant to the forces
germ layer. In the animal embryo, one of three basic layers (ectoderm, endoderm, mesoderm) from which the various organs and tissues arise in the multicellular animal.
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Phototropism growing or leaning in response to light
(photo = light; tropo = turn change)
Physiology the study of the functioning of the various body parts
(physio = nature; -logy = to study) ...
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Arabidopsis has been used extensively in the study of the genetic basis of phototropism, chloroplast alignment, and other light influenced processes.
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