Word · Frequency #8386
antigen
能刺激免疫反应(尤其是产生抗体)的物质
核心释义
a substance that stimulates an immune response, especially the production of antibodies
- 1.
诱导免疫应答的物质,通常为外来(非自身),但并非总是如此。
A substance that induces an immune response, usually foreign (nonself) but not always so.
诱导免疫应答的物质,通常为外来(非自身),但并非总是如此。;抗原;[化] 抗原
用法In use
The immune system produces antibodies to fight each antigen.
用法提示:用作名词,表示‘抗原’,此处指引发免疫反应的物质。
Vaccines contain a weakened form of the antigen to train the body's defenses.
用法提示:用作名词,指疫苗中的有效成分。
Scientists identified the antigen responsible for the allergic reaction.
用法提示:用作名词,指过敏原。
antigen + stimulates / triggers + immune response
The antigen stimulates the production of antibodies.
这种抗原刺激抗体的产生。
detect / identify + antigen
相关词与表达Connections
搭配Collocations
- specific antigen
- 特异性抗原
- The immune system recognizes a specific antigen.免疫系统识别特异性抗原。
- viral antigen
- 病毒抗原
- Viral antigens trigger an immune response.病毒抗原触发免疫反应。
- antigen test
- 抗原检测
- Rapid antigen tests are widely used for screening.快速抗原检测广泛用于筛查。
- antigen presentation
- 抗原呈递
- Antigen presentation is crucial for T-cell activation.抗原呈递对T细胞激活至关重要。
- antigen-antibody reaction
学习提示Learner notes
记忆技巧Memory Tip
记忆:抗原是触发免疫反应的'导火索',抗体是后续的'灭火器'。
语境与语域Context & Register
语域:formal 常见场景:医学、免疫学 该词是专业术语,通常用于医学、免疫学等正式科学文献中。
语法说明Grammar Note
Usually used in medical or immunological contexts.
发音与拼写Pronunciation & Spelling
All words share the ending '-gen' pronounced /dʒən/, but stress varies (e.g., 'antigen' stresses first syllable, 'carcinogen' stresses second), so they are not perfect rhymes.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.