title: Number of antibody-forming cells in primary and secondary reactions after administration of antigen.
mesh_terms: D000818:Animals; D000831:Animals, Newborn / Q000276:immunology; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000494:pharmacology*; D004912:Erythrocytes; D007114:Immunization; D007120:Immunochemistry; D007074:Immunoglobulin G / Q000378:metabolism; D007075:Immunoglobulin M / Q000378:metabolism; D008221:Lymphoid Tissue; D012756:Sheep; D013154:Spleen / Q000276:immunology; D013552:Swine
chemical_list: D000941:Antigens; D007074:Immunoglobulin G; D007075:Immunoglobulin M