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
Explore M-W
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
Learn More about igg
-
Britannica.com: Encyclopedia article about IgG
Seen and Heard
What made you want to look up IgG? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!