V2EX venation

Venation

定义 Definition

venation(植物学/动物学)指叶片、花瓣或昆虫翅膀等结构中“脉”(叶脉/翅脉/血管样纹理)的分布与排列方式,常用于分类鉴定与形态描述。

例句 Examples

The venation of this leaf is easy to see.
这片叶子的叶脉纹理很容易看清。

Botanists often compare venation patterns to identify closely related plant species.
植物学家常常比较叶脉类型,以鉴定亲缘关系很近的植物物种。

发音 Pronunciation

/vnen/

词源 Etymology

来自拉丁语 vēna(“静脉、血管”),引申为“脉络、纹理”;后加名词后缀形成 venation,用于描述“脉的排列/脉序”。在生物形态学中常指叶脉或翅脉的结构特征。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Flora of North America(《北美植物志》):在物种检索与形态描述中频繁使用 venation(如叶脉类型、网状脉等)。
  • Gray’s Manual of Botany(《格雷植物志》):以 venation 作为重要形态特征,用于植物分类与鉴定。
  • The Cambridge Illustrated Glossary of Botanical Terms(《剑桥植物学术语图解词汇》):对 venation 及常见叶脉类型作系统解释与图示。
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