antigen
n. Any object or substance which causes an immune response in the body, which usually has the effect of rendering the antigen harmless. Viruses, bacteria, toxins, and malformed cells are commonly treated as antigens by the immune system.
n. Any object or substance which causes an immune response in the body, which usually has the effect of rendering the antigen harmless. Viruses, bacteria, toxins, and malformed cells are commonly treated as antigens by the immune system.
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