antigen
Medical/biological term for a substance that triggers an immune response. Used in contexts such as vaccines, allergies, and infectious diseases.
ワクチンにはウイルスの抗原が含まれている。
The vaccine contains antigens from the virus.
血液検査で特定の抗原を調べる。
A blood test checks for specific antigens.
She had an allergic reaction to pollen antigens.
Immune cells react to this antigen and produce antibodies.
This test kit detects the virus's antigen.
The antigen and antibody bind together, triggering an immune response.
antigenic determinant; epitope
qualitative antigen test