antigen
发音
How to pronounce antigen in British English:
英 [ˈæntɪdʒən]
How to pronounce antigen in American English:
美 [ˈæntɪdʒən]
-
- Noun:
- any substance (as a toxin or enzyme) that stimulates the production of antibodies
单词词源
- antigen (n.)
- "substance that causes production of an antibody," 1908, from German Antigen, from French antigène (1899), from anti- (see anti-) + Greek -gen (see -gen).
双语例句
- 1. Antigen processing by macrophages precedes recognition of an antigen by lymphocytes .
- 2. If a helper cell recognises an antigen , it becomes activated .
- 3. Helper t cells recognize processed antigen and activate the humoral immune response .
- 4. This process of dna rearrangement is required to build the antigen receptor used by t cells , and permanently marks etps .
- 5. If less antigen is needed per dose , manufacturers can produce more doses in a shorter time .