title: Appendix and  M antibody formation. V. Appendix and thymus cell synergism in the direct and indirect plaque-forming cell responses to sheep erythrocytes in the rabbit.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000528:radiation effects; D001062:Appendectomy; D001065:Appendix / Q000276:immunology*; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D007075:Immunoglobulin M; D011817:Rabbits; D011828:Radiation Chimera; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology / Q000276:immunology; D013934:Thymectomy; D013950:Thymus Gland / Q000166:cytology / Q000276:immunology*
chemical_list: D007075:Immunoglobulin M