V2EX adaptive immunity

Adaptive Immunity

释义 Definition

适应性免疫(又称获得性免疫):机体在接触特定病原体或疫苗后形成的、具有特异性和免疫记忆的防御系统,主要由 B 细胞(抗体反应)T 细胞(细胞免疫) 介导。不同于先天免疫,它通常启动较慢,但反应更精准、再次遇到同一病原体时更快更强。

发音 Pronunciation (IPA)

/dptv mjunti/

例句 Examples

Vaccines train adaptive immunity.
疫苗会训练(激活并塑造)适应性免疫。

After infection, adaptive immunity generates memory B cells and T cells, which can respond faster if the pathogen returns.
感染后,适应性免疫会产生记忆 B 细胞和 T 细胞,使机体在病原体再次出现时能更快作出反应。

词源 Etymology

adaptive 来自拉丁语 adaptare,意为“使适合、调整”,强调“能根据情况改变”。immunity 源自拉丁语 immunitas(免除、豁免),后来在医学语境中指“对疾病的免疫力”。合在一起,adaptive immunity 强调免疫系统能在经历特定抗原刺激后“学习并适应”,形成更有针对性的防御与记忆。

相关词 Related Words

文学与经典著作 Literary Works

  • Janeway’s Immunobiology(《Janeway 免疫生物学》)
  • Cellular and Molecular Immunology(Abbas 等,《细胞与分子免疫学》)
  • Roitt’s Essential Immunology(《罗伊特基础免疫学》)
  • The Emperor of All Maladies(Siddhartha Mukherjee,《万病之王:癌症传》;涉及免疫与治疗思路的科普叙述)
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