T cells, T cells recognition structures, and the major histocompatibility complex.
D000818:Animals; D001666:Binding Sites, Antibody; D003602:Cytotoxicity, Immunologic; D000939:Epitopes; D006648:Histocompatibility; D006649:Histocompatibility Antigens; D006801:Humans; D007136:Immunoglobulins; D007156:Immunologic Memory; D008213:Lymphocyte Activation; D008211:Lymphocyte Cooperation; D008264:Macrophages / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D014777:Virus Diseases / Q000276:immunology
D000939:Epitopes; D006649:Histocompatibility Antigens; D007136:Immunoglobulins