title: Thymus-marrow immunocompetence. 3. The requirement for living thymus cells.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001853:Bone Marrow / Q000276:immunology*; D016026:Bone Marrow Transplantation; D004912:Erythrocytes / Q000276:immunology; D007274:Injections, Intraperitoneal; D007275:Injections, Intravenous; D051379:Mice; D011830:Radiation Effects; D051381:Rats; D012756:Sheep; D013154:Spleen / Q000276:immunology; D013934:Thymectomy; D013950:Thymus Gland / Q000276:immunology* / Q000528:radiation effects / Q000637:transplantation; D014181:Transplantation Immunology; D014465:Ultrasonics