…All of these movements are characterized by being sensitive to changes in the intensity of stimuli, and are considered to be adaptive phenomena to environmental changes. Bending movements are broadly divided into growth movements and turgor movements, the former caused by the difference in growth rate between the opposing sides of a plant organ, and the latter caused by changes in the turgor pressure of a particular cell, which causes cell deformation or volume change. Growth movements and turgor movements can occur in response to changes in light or temperature, but in many plants they occur in response to external daily rhythms. … *Some of the terms that refer to "turgor movement" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…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。屈曲運動は生長運動growth movementと膨圧運動turgor movementに大別され,前者は植物器官の相対する両側での生長速度の差によって,後者は特定の細胞の膨圧変化による細胞の変形もしくは容積変化によっておこる。生長運動や膨圧運動は,光や温度の変化に即応しておこる場合もあるが,多くの植物では外部の日周リズムに応じておこる。… ※「turgor movement」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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