(noun. /AN-tih-jen/)
by Devina Thiono
What does it mean?
An antigen is a substance that can be recognized by the immune system. Foreign antigens are from outside the body (pieces of viruses, bacteria, pollen, serum/blood from other people, etc.). Self-antigens are present in our own body (e.g. blood typing – Figure 2).
How do I use it in a sentence?
We use SARS-CoV2 protein as the antigen in our study to determine which patients have antibodies to the virus.
Fields of study in which this word is commonly used:
Immunology
Biochemistry
Microbiology
