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Flagellum

定义 Definition

flagellum（名词）：（单数）鞭毛；指某些细菌、原生生物或精子等细胞上细长的“鞭状”结构，用于运动或推动液体流动。（复数：flagella）

发音 Pronunciation

/dlm/

例句 Examples

The bacterium moves using a flagellum.
这种细菌用鞭毛运动。

Under the microscope, you can see the flagellum beating rhythmically as the cell swims through the water.
在显微镜下，你能看到鞭毛有节奏地摆动，细胞因此在水中游动。

词源 Etymology

flagellum 来自拉丁语 flagellum，原意是“小鞭子”（由 flagrum “鞭子” 的指小形式而来）。因为这种细胞结构外形像鞭子、并通过“甩动/摆动”来产生推进力，所以被用来命名为“鞭毛”。

相关词 Related Words

文学与著作 Literary Works

The Selfish Gene Richard Dawkins（科普写作中讨论生物结构与进化时常提及鞭毛等微观结构）
Microbe Hunters Paul de Kruif（涉及微生物研究史与观察，常出现与细菌运动相关的术语）
Molecular Biology of the Cell Bruce Alberts et al.（经典教材，介绍细胞结构与运动机制时使用该词）
Brock Biology of Microorganisms Michael T. Madigan et al.（微生物学权威教材，系统讲解细菌鞭毛与运动）

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