the most common type of antibody in the plasma. IgG provides specific immunity against particular antigens, and is a major defense against bacteria, viruses and toxins. IgG initiates the complement cascade that result in the destruction of the membrane of pathogens. IgG extracted from donor plasma (gamma globulin) is used for passive immunization.
Meaning of IMMUNOGLOBULIN G in English
AIDS English Glossary. Английский словарь СПИДа. 2012