V2EX eukaryote

Eukaryote

释义 Definition

真核生物;真核细胞生物:指细胞内具有被膜包裹的细胞核,并通常含有线粒体、叶绿体(植物/藻类)等膜结合细胞器的生物(如动物、植物、真菌和原生生物)。另有相关形容词 eukaryotic(真核的)

发音 Pronunciation (IPA)

/jukri.ot/

例句 Examples

A eukaryote has a nucleus.
真核生物有细胞核。

Unlike bacteria, a eukaryote stores its DNA inside a membrane-bound nucleus and uses specialized organelles to carry out complex functions.
与细菌不同,真核生物把 DNA 储存在由膜包裹的细胞核中,并利用专门的细胞器来完成复杂功能。

词源 Etymology

来自希腊语构词:eu-(“好的、真正的”)+ karyon(“核、坚果核”),字面意思接近“真正的细胞核”,用来强调其细胞具有明确的细胞核结构;与 prokaryote(原核生物)相对。

相关词 Related Words

文学作品与出处 Literary Works

该词主要用于现代科学语境,较少出现在传统文学经典中;在科普与自然写作中更常见,例如:

  • Richard Dawkins《The Ancestor’s Tale》
  • Neil Shubin《Your Inner Fish》
  • Stephen Jay Gould 的多篇科学随笔集(如《The Panda’s Thumb》)
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