title: Cellular components of the immune system and their cooperation (T and B cells).
mesh_terms: D000917:Antibody Formation; D000918:Antibody Specificity; D000921:Antibody-Producing Cells; D001402:B-Lymphocytes / Q000276:immunology*; D002352:Carrier Proteins; D000939:Epitopes; D006241:Haptens; D007108:Immune Tolerance; D007156:Immunologic Memory; D008264:Macrophages / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D002352:Carrier Proteins; D000939:Epitopes; D006241:Haptens