title: Ultrastructure of the primary immune response. Development of 19S antibody-producing cells.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000941:Antigens; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D007075:Immunoglobulin M / Q000032:analysis; D051379:Mice; D008854:Microscopy, Electron; D010950:Plasma Cells / Q000166:cytology*; D012756:Sheep; D013154:Spleen / Q000276:immunology*
chemical_list: D000906:Antibodies; D000941:Antigens; D007075:Immunoglobulin M