polyclonal immunoglobulin

polyclonal immunoglobulin

Polyclonal antibody Immunology Any of a bouquet of Igs produced by multiple, usually non-malignant clones of cells summoned to arms by an immune challenge, which may evoke multiple clonal expansions, each responding to a different epitope on an antigen or group of antigens. See Epitope, Idiotype. See Polyclonal antiserum. Cf Monoclonal antibody.