- 1. IgM
- [pentameric immunoglobulin largely confined to the intravascular pool and the predominant early antibody frequently seen in the immune response to antigenically complex infectious organisms. ( CSP )] (UMLS (NCI) C0020861) =Amino Acid, Peptide, or Protein; Immunologic Factor ;
=[IM500] IMMUNOGLOBULINS; | |