immunoglobulin G

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Related to Gamma heavy chain disease: mu heavy chain disease

immunoglobulin G

[‚im·yə·nō‚gläb·yə·lən ′jē]
(immunology)
The most abundant immunoglobulin class in human serum; it is associated with complement fixation, opsonization, fixation to macrophages, and membrane transport. Abbreviated IgG.