英语词汇“rheotropism”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	rheotropism
释义	rheotropism rheotropism (rɪˈɒtrəˌpɪzəm) n (Biology) growth of a plant or sessile animal in the direction of a current of water rheotropic adj rheotropism the tendency of certain living things to move in response to the mechanical stimulus of a current of water.See also: Water the tendency of some plants to respond to a current of water by growing with it (positive rheotaxis) or against it (negative rheotaxis).See also: Plants Rheotropism rheotropism [rē′ä·trə‚piz·əm] (biology) Orientation response of an organism to the stimulus of a flowing fluid, as water. Rheotropism the property of roots of many plants growing in water to bend either against the current (positive rheotropism) or toward the current (negative rheotropism). Because the rheotropic reaction of the roots depends on the composition of the nutrient solution, rheotropism is sometimes believed to be a special case of chemotropism. At the same time, taking into account the high sensitivity of plants to all kinds of mechanical stimuli, rheotropism may be regarded as a weak manifestation of traumotropism. rheotropism rhe·ot·ro·pism (rē-ot'rŏ-pizm), A movement contrary to the motion of a current, involving part of an organism, rather than the organism as a whole, as in rheotaxis. [rheo- + G. tropos, a turning] rhe·ot·ro·pism (rē-ot'rŏ-pizm) A movement contrary to the motion of a current, involving part of an organism, rather than the organism as a whole, as in rheotaxis. [rheo- + G. tropos, a turning] rheotropism a growth response to a current, usually of air or water.
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更新时间：2025/1/11 10:35:36