V2EX vacuole

Vacuole

释义 Definition

vacuole(名词):液泡;细胞内由膜包围的腔室,常用于储存水分、离子、营养物质或废物,并帮助维持细胞的渗透压与形状(尤其在植物细胞中通常很大)。也可指某些细胞内较小的囊泡结构。

发音 Pronunciation (IPA)

/vk.ju.ol/

例句 Examples

A plant cell has a large central vacuole.
植物细胞通常有一个大的中央液泡。

When the vacuole loses water, the plant may wilt because cell pressure drops.
当液泡失水时,细胞内压力下降,植物可能会萎蔫。

词源 Etymology

源自拉丁语 vacuus(“空的”),与 vacuum(真空)同源;vacuole 字面含义接近“小空腔”,用来描述细胞内看似“空”的囊状结构(实际常含细胞液等物质)。

相关词 Related Words

文学作品 Literary Works

  • 《On the Origin of Species》(Charles Darwin):在讨论生物体结构与功能时,会使用到细胞与组织等生物学术语(不同版本与注释本中常见相关词汇)。
  • 《Micrographia》(Robert Hooke):早期显微观察著作,涉及细胞结构的描述;现代编辑与解读文本中常以“vacuole/液泡”等术语来对应相关结构与现象。
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