V2EX chemotactic

Chemotactic

Definition 定义

chemotactic(形容词)趋化的;由化学物质浓度梯度引导而产生定向移动的。常用于描述细胞(如白细胞、细菌、精子)朝向或远离某种化学信号移动的现象(趋化性 chemotaxis)。

Pronunciation 发音(IPA)

/kimotktk/(美); /kimtktk/(英)

Etymology 词源

chemo-(化学的)+ tactic(定向的、与移动方向有关的)构成。其概念来自生物学中“趋性(taxis)”的表述,用来强调“由外界刺激(这里是化学物质)引导的定向运动”。

Examples 例句

Neutrophils are chemotactic and move toward infection sites.
中性粒细胞具有趋化性,会向感染部位移动。

The researchers found a chemotactic response to the chemical gradient, suggesting the cells follow signaling molecules during inflammation.
研究人员发现细胞对化学梯度产生趋化反应,这表明在炎症过程中细胞会追随信号分子移动。

Related Words 相关词

Literary Works 文学作品

  • Janeway’s Immunobiology(《Janeway 免疫生物学》)常用“chemotactic/chemotaxis”描述免疫细胞在趋化因子作用下的迁移。
  • Molecular Biology of the Cell(《细胞的分子生物学》)在细胞信号与细胞运动章节中讨论趋化相关概念。
  • Brock Biology of Microorganisms(《布洛克微生物学》)在细菌运动与环境感知内容中使用“chemotactic”说明细菌对化学刺激的定向运动。
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