Meaning of IgM

IgM

Pronunciation: [key]
— Immunol. Immunol.
  1. immunoglobulin M: a class of short-term circulating and secretory antibodies existing as an aggregate of five antibody molecules, having a high affinity for viruses.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • IgM (Thesaurus)