V2EX nastic

Nastic

释义 Definition

(植物学)感性运动的;指植物对刺激(如光、触碰、温度、昼夜变化等)产生的运动反应,但运动方向不取决于刺激来源的方向(区别于 tropic “向性/趋性”)。

发音 Pronunciation (IPA)

/nstk/

例句 Examples

The mimosa shows nastic movement when you touch its leaves.
含羞草的叶子被触碰时会表现出感性运动。

Many flowers display nastic responsesopening in daylight and closing at nightdriven by internal changes in turgor pressure rather than the direction of light.
许多花会出现感性反应白天开放、夜晚闭合其驱动力是内部膨压变化,而不是光线来自哪个方向。

词源 Etymology

nastic 来自希腊语 nastos(意为“压紧、按压”一类的概念),在植物学中发展为描述“由刺激引起但不随刺激方向而定的运动”。常见构词对比:tropic(向性,方向相关) vs. nastic(感性运动,方向无关)。

相关词 Related Words

文学与著作 Literary Works

  • Campbell Biology(《坎贝尔生物学》)在植物反应与运动章节中常用 nastic movement 解释开合花、含羞草等现象。
  • Plant Physiology and Development(Taiz & Zeiger 等,《植物生理学与发育》)系统区分 tropismsnastic movements,并讨论膨压驱动机制。
  • Biology of Plants(Raven 等,《植物学/植物生物学》)在植物行为与环境响应部分出现 nastic 相关术语(如 nyctinastythigmonasty)。
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