V2EX phagosome

Phagosome

释义 Definition(中文)

phagosome(吞噬体):细胞在进行吞噬作用(phagocytosis)时,由细胞膜包裹外来颗粒(如细菌、细胞碎片)形成的膜性小囊泡。它常与溶酶体(lysosome)融合形成吞噬溶酶体(phagolysosome),以便降解内容物。(在更广义的语境中,也可用于描述与吞噬相关的囊泡阶段。)

发音 Pronunciation(IPA)

/fsom/

例句 Examples

Phagosomes help immune cells digest bacteria.
吞噬体帮助免疫细胞分解细菌。

After the macrophage engulfed the pathogen, the phagosome fused with a lysosome to form a phagolysosome for degradation.
巨噬细胞吞入病原体后,吞噬体与溶酶体融合形成吞噬溶酶体,从而进行降解。

词源 Etymology(中文)

phagosome 由 **phago-**(源自希腊语 phagein,意为“吃、吞食”)+ -some(源自希腊语 sōma,意为“身体/体”)构成,字面含义接近“吞食形成的‘体’/小体”,用于指代吞噬过程中形成的膜性囊泡结构。

相关词 Related Words

文献与作品 Literary / Notable Works(出现语境)

  • _Molecular Biology of the Cell_(Alberts 等,《细胞的分子生物学》):在细胞吞噬、溶酶体途径与细胞内降解章节中常出现 phagosome
  • _Janeway’s Immunobiology_(《简明免疫生物学》):在先天免疫、吞噬细胞杀菌机制(吞噬体成熟与与溶酶体融合)内容中使用该词。
  • 经典细胞生物学与免疫学研究论文(如吞噬体成熟、吞噬体-溶酶体融合相关研究)phagosome 作为核心术语频繁出现。
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