Yes, igg is in the scrabble dictionary
...and is worth 7 points by itself.
1. A snub or rebuff.
2. 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.
3. An antibody of the class IgG.
1. To ignore or snub.
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