V2EX pyrogen

Pyrogen

释义 Definition

Pyrogen(名词):致热原/致热物质;能引起机体发热反应的物质,常见于细菌成分(如内毒素)或由免疫系统释放的细胞因子等。(在医学与免疫学语境中最常用;也可泛指“引发发热的因素”。)

发音 Pronunciation (IPA)

/pardn/

例句 Examples

The doctor suspected a pyrogen in the contaminated injection.
医生怀疑被污染的注射液中含有致热原。

Endotoxins act as pyrogens, triggering immune signaling that raises the body’s temperature set point.
内毒素可作为致热原,触发免疫信号通路,从而提高人体体温调定点并引起发热。

词源 Etymology

pyrogen 源自希腊语词根:pyr-(火、热)+ -gen(产生、生成;与“产生……的”相关)。字面意思接近“产生热的东西”,因此在医学上用来指“引起发热的物质”。

相关词 Related Words

文学与经典作品 Literary & Notable Works

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)在感染与发热机制章节中常讨论“pyrogen(致热原)”。
  • Janeway’s Immunobiology(《简明免疫生物学/詹威免疫生物学》)用于解释细胞因子、内毒素与发热反应的关系。
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)在体温调节与发热章节中提到外源性/内源性致热原。
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