The thymus and the tolerance function.
D000818:Animals; D001183:Arthus Reaction; D007108:Immune Tolerance; D066298:In Vitro Techniques; D011830:Radiation Effects; D051381:Rats; D013934:Thymectomy; D013950:Thymus Gland / Q000502:physiology* / Q000637:transplantation; D014181:Transplantation Immunology; D014184:Transplantation, Homologous