immunologic blood test

medicine

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immunologic blood test, any of a group of diagnostic analyses of blood that employ antigens (foreign proteins) and antibodies (immunoglobulins) to detect abnormalities of the immune system. Immunity to disease depends on the body’s ability to produce antibodies when challenged by antigens. Antibodies bind to and help eliminate antigens from the body. The inability of the body to produce certain classes of immunoglobulins (IgG, IgA, IgM, IgD, IgE) can lead to disease. Complexes formed by...

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