Definition of IgG
1 : a class of immunoglobulins including the most common antibodies circulating in the blood that facilitate the phagocytic destruction of microorganisms foreign to the body, that bind to and activate complement, and that are the only immunoglobulins to cross over the placenta from mother to fetus
2 : an antibody of the class IgG
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1965
First Known Use of igg
1965
Medical Dictionary
IgG
playMedical Definition of IgG
1: a class of immunoglobulins that include the most common antibodies circulating in the blood, that facilitate the phagocytic destruction of microorganisms foreign to the body, that bind to and activate complement, and that are the only immunoglobulins to cross over the placenta from mother to fetus
2: an immunoglobulin of the class IgG
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Britannica.com: Encyclopedia article about IgG
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