…a property of plant organs bending in response to external stimuli. It differs from tropism in that the direction of bending depends on the internal structure of the plant, regardless of the direction of the stimulus. Depending on the type of stimulus, it can be divided into seismic, thermonasty, thigmonasty, electrotropism, etc. All of these are characterized by sensitive movements that occur in response to changes in the strength of the stimulus, and are considered to be a form of adaptation to environmental changes. … *Some of the terminology explanations that mention "thigmonasty" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…植物の器官が外部からの刺激に呼応して屈曲運動する性質の一つで,屈曲の方向が刺激の方向とは無関係に植物の内部構造に依存する点において屈性tropismとは異なる。刺激の種類によって傾震性seismonasty,傾熱性thermonasty,傾触性thigmonasty,傾電性electronastyなどに分けられる。これらはすべて刺激の強度変化に応じておこる敏感な運動であることが特徴で,環境変化への一つの適応現象とみなされている。… ※「thigmonasty」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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