V2EX trophozoite

Trophozoite

释义 Definition

滋养体:某些原生动物(尤其是寄生虫,如阿米巴、贾第鞭毛虫、疟原虫等)在宿主体内活跃取食、运动与生长的阶段,通常与相对“休眠、耐受”的包囊/囊体(cyst)阶段相对应。(不同生物的生活史细节可能有所差异。)

发音 Pronunciation (IPA)

/trofzt/

例句 Examples

The lab technician identified trophozoites in the stool sample.
实验室技术员在粪便样本中鉴定出了滋养体。

Because trophozoites are fragile outside the body, the specimen must be examined quickly to avoid false-negative results.
由于滋养体在体外很脆弱,标本必须尽快检查,以避免出现假阴性结果。

词源 Etymology

tropho- 源自希腊语 trophē(“营养、喂养”),与“营养、供养”有关;**-zoite** 来自希腊语 zōion(“动物、活的生物”)的构词形式,常用于表示“某种生物体/阶段”。合起来指“以摄食营养为主、活跃生长的生物阶段”。

相关词 Related Words

文学与典籍 Literary Works

  • **Foundations of Parasitology**(Schmidt & Roberts):在原生动物与寄生虫生活史章节中频繁使用 trophozoite 来区分滋养体与包囊等阶段。
  • **Medical Parasitology**(如 Markell and Voge’s 或同类医学寄生虫学教材版本):在阿米巴病、贾第虫病等诊断与形态学描述中常出现 trophozoite
  • **Parasitic Diseases**(Desowitz):在面向大众与医学读者的寄生虫叙述中也会以 trophozoite 指称寄生虫的活跃期形态。
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