V2EX endotoxin

Endotoxin

释义 Definition

名词 (n.) 内毒素;指存在于革兰氏阴性细菌细胞壁中的毒性物质,当细菌死亡或裂解时释放出来,能引起发热、炎症等免疫反应。

发音 Pronunciation

/ndotksn/

例句 Examples

Endotoxin can cause fever and inflammation in the human body.
内毒素可以在人体内引起发热和炎症反应。

The laboratory technician carefully tested the pharmaceutical solution for endotoxin contamination, as even trace amounts could pose a serious risk to patients receiving intravenous injections.
实验室技术人员仔细检测了药液中的内毒素污染,因为即使是微量的内毒素也可能对接受静脉注射的患者构成严重风险。

词源 Etymology

该词由希腊语前缀 **endo-**(意为"内部的")和 toxin(意为"毒素",源自希腊语 toxikon,原指涂在箭上的毒药)组合而成。字面意思是"内部的毒素",指的是这种毒素存在于细菌细胞内部,而非像外毒素(exotoxin)那样被分泌到细胞外。该术语于19世纪末由德国细菌学家理查德法伊弗(Richard Pfeiffer)首次提出,用以区分细菌释放毒素的不同方式。

相关词汇 Related Words

文学与学术引用 Notable References

  • 《微生物猎人》(Microbe Hunters) 保罗德克鲁伊夫(Paul de Kruif):该书在讲述细菌学先驱的发现时涉及内毒素的概念。
  • 《枪炮、病菌与钢铁》(Guns, Germs, and Steel) 贾雷德戴蒙德(Jared Diamond):书中在讨论传染病对人类历史的影响时,涉及细菌毒素等相关概念。
  • 该词在医学与微生物学教科书中广泛出现,如 Janeway's ImmunobiologyMedical Microbiology 等经典教材中对内毒素的结构、作用机制及临床意义有详细论述。
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