title: Anatomy of the immune system.
mesh_terms: D000941:Antigens; D002454:Cell Differentiation; D002462:Cell Membrane / Q000276:immunology; D004064:Digestive System / Q000276:immunology; D006801:Humans; D007111:Immunity, Cellular; D008168:Lung / Q000276:immunology; D008198:Lymph Nodes / Q000276:immunology; D008214:Lymphocytes / Q000032:analysis / Q000276:immunology* / Q000648:ultrastructure*; D008221:Lymphoid Tissue / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D008934:Mitogens / Q000494:pharmacology; D009000:Monocytes / Q000648:ultrastructure; D010950:Plasma Cells / Q000032:analysis / Q000166:cytology / Q000648:ultrastructure; D013154:Spleen / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology
chemical_list: D000941:Antigens; D008934:Mitogens