Meaning of IgG

IgG

Pronunciation: [key]
— Immunol. Immunol.
  1. immunoglobulin G: a class of circulating antibodies predominant in serum, produced by plasma cells and memory cells in response to pathogens and other foreign substances, able to pass through the placental wall to the fetal circulation to impart immune defense for the period of infancy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • IgG (Thesaurus)