V2EX fin-ray

Fin-ray

释义 Definition

fin-ray(名词):鳍条;鱼类(或其他水生脊椎动物)鳍中用于支撑鳍面的细长骨质或软骨质结构,常呈条状分节,帮助鳍保持形状并完成游动、转向等动作。(该词在鱼类学/解剖学语境更常见;不同类群的鳍条结构与材质可能不同。)

发音 Pronunciation (IPA)

/fn re/

例句 Examples

The fish has a torn fin-ray.
这条鱼有一根鳍条撕裂了。

Scientists compared fin-ray patterns to identify closely related species.
科学家通过比较鳍条的排列与形态特征来鉴定亲缘关系很近的物种。

词源 Etymology

该词为复合词:fin(鳍)+ ray(光线/射线/放射状条纹)。这里的 ray 取“放射状的细条、条状支撑结构”之意,形象地描述鳍中一根根向外展开的支撑“条”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Fishes of the World(Joseph S. Nelson 等):在鱼类分类与形态描述中常涉及鳍条特征。
  • The Diversity of Fishes: Biology, Evolution, and Ecology(Gene S. Helfman 等):讨论鱼类形态与功能时会提到鳍条结构。
  • Principles of Fish Biology(C. B. Schreck、P. B. Moyle 等相关教材版本):在鱼类解剖与运动章节常出现鳍条术语。
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