V2EX allergen

Allergen

定义 Definition

过敏原:能引发人体免疫系统过度反应、导致过敏症状的物质(如花粉、尘螨、某些食物蛋白等)。也常指“致敏物质”。(另有相关用法如 allergen-free 表示“无过敏原的”。)

发音 Pronunciation

/ldn/

例句 Examples

Some schools ban peanuts because they are a common allergen.
一些学校禁止花生,因为花生是常见的过敏原。

The doctor advised her to keep a detailed diary to identify the allergen triggering her recurring rashes, especially after meals.
医生建议她记录详细日记,以找出引发反复皮疹的过敏原,尤其是在饭后。

词源 Etymology

allergenallergy(过敏) + 后缀 -gen(产生、引起) 组成,字面意思是“引起过敏的东西”。其中 allergy 源自希腊语词根,含“不同的、异常的反应”之意,后来在医学语境中专指过敏反应。

相关词 Related Words

文学作品 Literary Works

  • Tess Gerritsen《The Sinner》(涉及法医学与医疗情境中对“过敏/过敏原”的提及)
  • Atul Gawande《Complications》(医疗纪实写作中讨论过敏与临床风险时使用相关词汇)
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