V2EX ectoparasite

Ectoparasite

释义 Definition

外寄生虫:寄生在宿主体表(皮肤、毛发、羽毛等)而非体内的寄生生物,靠吸血或取食体表组织/分泌物生存。常见例子有跳蚤、蜱、虱子等。(也可泛指任何“体外寄生”的寄生者。)

例句 Examples

A tick is an ectoparasite that feeds on blood.
蜱是一种以吸血为生的外寄生虫。

Because ectoparasites can transmit pathogens, controlling them is crucial for both animal welfare and public health.
由于外寄生虫可能传播病原体,控制它们对动物福利和公共卫生都至关重要。

发音 Pronunciation (IPA)

/ktoprsat/

词源 Etymology

来自希腊语构词:ecto- 表示“外部、外面”,parasite 表示“寄生者”(原意与“在别人餐桌旁吃饭的人”相关,后引申为“寄生生物”)。合起来字面意思就是“外部的寄生者”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Parasite Rex(Carl Zimmer):科普作品中讨论多类寄生生物,常涉及体外寄生者与传播。
  • Foundations of Parasitology(Roberts & Janovy):经典寄生虫学教材,系统区分外寄生虫与内寄生虫。
  • Medical Parasitology(如 Markell & Voge 等版本):医学寄生虫学教材,常在节肢动物与皮肤寄生章节使用该词。
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