V2EX digitate

Digitate

释义 Definition

digitate(形容词)指“指状的;像手指分叉一样伸出的”,常用于描述叶片、角状结构、腺体或器官等呈放射状分裂成“指”状的形态。(也可作动词,较少见,意为“使呈指状分裂”。)

发音 Pronunciation

/ddtet/

例句 Examples

The plant has digitate leaves with five narrow lobes.
这种植物的叶子是掌状分裂的,有五个狭长的裂片。

In early development, the embryo forms digitate projections that later differentiate into separate structures.
在早期发育过程中,胚胎会形成指状突起,之后这些突起会分化为不同的结构。

词源 Etymology

digitate 来自拉丁语 digitus,意为“手指、脚趾”。英语中许多与“手指/指状”相关的词(如 digit)都源于同一词根,因此 digitate 常用于生物学、解剖学和植物学中,强调“像手指一样分叉或伸出”的形态特征。

相关词 Related Words

文学作品 Literary Works

由于 digitate 属于偏科学/形态学用语,在大众文学中相对少见,但常见于植物学与博物学写作(以及相关图鉴、学术描述)中,例如:

  • Charles Darwin 的植物学相关著作与论文中(在对叶形与结构进行形态描写的语境里常会出现此类术语)
  • 19 世纪以来的英文植物志与博物学图鉴(flora、botanical manuals)中对“掌状/指状叶”等形态的标准描述里
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