title: The thymus and the immune system.
mesh_terms: D000818:Animals; D000888:Antibodies, Anti-Idiotypic; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000937:Antigen-Antibody Reactions / Q000528:radiation effects; D002060:Bursa of Fabricius / Q000276:immunology; D002454:Cell Differentiation; D002465:Cell Movement; D000939:Epitopes; D005455:Fluorescent Antibody Technique; D006084:Graft Rejection; D006412:Hematopoietic Stem Cells / Q000276:immunology; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007108:Immune Tolerance; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000276:immunology; D011868:Radioisotopes; D013897:Thoracic Duct / Q000166:cytology / Q000276:immunology; D013934:Thymectomy; D013950:Thymus Gland / Q000166:cytology / Q000276:immunology*
chemical_list: D000888:Antibodies, Anti-Idiotypic; D000939:Epitopes; D011868:Radioisotopes