IgM-forming cells as the immediate precursor of IgA-producing cells during ontogeny of the immunoglobulin-producing system of the chicken.

Absorption Animals Animals, Newborn Antibodies, Anti-Idiotypic/isolation & purification Antibody Formation Antibody-Producing Cells/immunology Bile/immunology Bursa of Fabricius/immunology Chickens/immunology Chromatography, Affinity Chromatography, Gel Goats/immunology Immune Sera Immunodiffusion Immunoelectrophoresis Immunoglobulin A/analysis Immunoglobulin M/analysis Immunoglobulins/analysis

Antibodies, Anti-Idiotypic Immune Sera Immunoglobulin A Immunoglobulin M Immunoglobulins