From immune B cells: Antibodies, also called immunoglobulins or gamma-globulins, are made in a type of white blood cell called B-cells. They are in the blood stream, lymph nodes and in the bone marrow. We have 5 different types of antibodies: IgM (first responder), IgG (good long term immunity), IgA (in the mucous lining-tears, saliva, respiratory tract and intestinal tract), IgE (allergic antibody) and IgD (unknown)
Answered 7/5/2017
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