antigen [ˈæntɪdʒən]

例句:

• If a helper cell recognises an antigen, it becomes activated.
  来自ECONOMIST
• Antigen interacts with the surface of sensitized mast cells.
  抗原与致敏的肥大细胞表面互相作用.
  
• Another method of maintaining antigen persistence is through use of an adjuvant.
  使用佐剂是保持抗原持续存留的另一方法.
  
• Antigen density on the tumor cell surface influences the cytotoxic sensitivity.
  瘤细胞表面的抗原密度影响细胞毒的敏感性.
  
• If there is no antigen-presenting cell, there is no immune response.
  来自SA
• Whether the antigen is introduced via injection vs. natural exposure is irrelevant.
  来自SA