V2EX rheotaxis

Rheotaxis

释义(中文) / Definition

趋流性;流向趋性:指生物对水流或其他流体流动方向产生的定向反应或运动,常见于鱼类、昆虫幼体、微生物等(通常表现为逆流而上或顺流定向)。该词在生物学/行为学语境中最常用;在不同研究中也可细分为正趋流(朝向来流)与负趋流(背离来流)。

发音(IPA) / Pronunciation

/riotkss/

例句 / Examples

Many fish show rheotaxis by swimming against the current.
许多鱼会表现出趋流性,逆着水流游动。

In experiments, larvae used rheotaxis to maintain position in fast-flowing streams, suggesting that flow cues can guide navigation even when visibility is low.
在实验中,幼体利用趋流性在急流中保持位置,这表明即使在能见度很低时,水流线索也能引导其定向与导航。

词源(简述) / Etymology

来自希腊语构词:**rheo-**(意为“流动、流水”,与 rheology“流变学”同源)+ -taxis(意为“排列、定向反应”,常见于生物学术语如 phototaxis“趋光性”)。合起来即“对流动产生的定向反应”。

相关词(同义/近义/相关) / Related Words

文学与重要作品用例 / Notable Works

  • Sensory Biology of Aquatic Animals(收录多处关于水流线索与趋流性/定向行为的讨论)
  • Fish Physiology(系列卷册中常用该术语讨论鱼类在水流中的行为与感觉机制)
  • Biology of Fishes(鱼类生物学教材语境中用于描述鱼对水流的定向反应)
  • Invertebrate Zoology(无脊椎动物行为/生态部分常出现与趋性相关的术语体系,包括趋流性)
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