V2EX oocyst

Oocyst

释义 Definition

卵囊:某些原生寄生虫(尤其是球虫类,如隐孢子虫、弓形虫)生活史中的一种具有保护性外壳的阶段,常用于在环境中存活并传播;成熟后可释放感染性阶段(如孢子子)。

发音 Pronunciation

/o..sst/

例句 Examples

The lab detected oocysts in the stool sample.
实验室在粪便样本中检测到了卵囊。

After heavy rain, oocysts can wash into rivers, increasing the risk of waterborne infection in nearby communities.
暴雨后,卵囊可能被冲入河流,增加附近社区发生水源性感染的风险。

词源 Etymology

oocyst 由 **oo-**(源自希腊语 ōion,意为“卵”)和 -cyst(源自希腊语 kystis,意为“囊、囊泡”)构成,字面意思是“卵的囊体”。该词多用于寄生虫学与微生物学语境,强调其“包裹、保护并用于传播”的结构与功能。

相关词 Related Words

文学与典籍 Literary Works

  • 《Foundations of Parasitology》(Roberts & Janovy):在球虫与原虫生活史章节中反复使用 oocyst 描述环境传播阶段。
  • 《Parasitic Diseases》(Despommier 等):介绍隐孢子虫等水源性传播时,以 oocyst 为关键术语。
  • 《Medical Microbiology》(Murray, Rosenthal & Pfaller):在肠道寄生虫与机会性感染相关章节中提及 oocyst 的检出与致病意义。
  • 《Topley & Wilson’s Microbiology and Microbial Infections》:在寄生虫与公共卫生相关内容中讨论 oocyst 的生存性与传播途径。
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