Word · Frequency #8386
antigens
能刺激免疫反应（尤其是产生抗体）的物质
antigens is the plural of antigen.
a substance that stimulates an immune response, especially the production of antibodies
- 1.
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。
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
In use
The immune system produces antibodies to fight each antigen.
Vaccines contain a weakened form of the antigen to train the body's defenses.
Scientists identified the antigen responsible for the allergic reaction.
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
Scientists detect the antigen in blood samples.
科学家在血液样本中检测到这种抗原。
antigen + be present / found + in / on + noun
The antigen is present on the surface of the virus.
该抗原存在于病毒表面。
Common mistakes
The antigen attacks the virus.The antibody attacks the virus.
混淆了抗原和抗体的概念。抗原是刺激免疫反应产生的物质，抗体才是直接攻击病原体的蛋白质。因此应使用 antibody。
The body produces many antigen.The body produces many antigens.
Antigen为可数名词，复数形式为antigens，此处需加-s。
Connections
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
- 抗原抗体反应
- The antigen-antibody reaction is highly specific.抗原抗体反应具有高度特异性。
- antigen receptor
Learner notes
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'。
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。
Grammar Note
Usually used in medical or immunological contexts.
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.
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.