title: The immune system. First of two parts.
authors.affiliation: Department of Immunology, Windeyer Institute of Medical Sciences, University College London.
authors.forename: P J
authors.initials: PJ
authors.lastname: Delves
authors.forename: I M
authors.initials: IM
authors.lastname: Roitt
mesh_terms: D000941:Antigens / Q000276:immunology; D001402:B-Lymphocytes / Q000737:chemistry / Q000276:immunology; D006801:Humans; D007107:Immune System / Q000276:immunology*; D007108:Immune Tolerance; D007109:Immunity / Q000235:genetics / Q000502:physiology*; D011946:Receptors, Antigen / Q000737:chemistry / Q000235:genetics; D013601:T-Lymphocytes / Q000737:chemistry / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology
chemical_list: D000941:Antigens; D011946:Receptors, Antigen