title: Cell cooperation in the immune response.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D000921:Antibody-Producing Cells; D001853:Bone Marrow / Q000276:immunology; D016026:Bone Marrow Transplantation; D000939:Epitopes; D006241:Haptens; D006410:Hematopoiesis; D007108:Immune Tolerance; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000276:immunology*; D008221:Lymphoid Tissue / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D011830:Radiation Effects; D013154:Spleen / Q000166:cytology / Q000637:transplantation; D013934:Thymectomy; D013950:Thymus Gland / Q000276:immunology / Q000637:transplantation
chemical_list: D000939:Epitopes; D006241:Haptens