title: Fundamental immunobiology.
mesh_terms: D000917:Antibody Formation; D000941:Antigens / Q000276:immunology; D001402:B-Lymphocytes / Q000276:immunology; D005260:Female; D005333:Fetus / Q000276:immunology; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007109:Immunity; D007111:Immunity, Cellular; D007136:Immunoglobulins; D008208:Lymphatic System / Q000276:immunology; D008221:Lymphoid Tissue / Q000196:embryology; D011247:Pregnancy; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000941:Antigens; D007136:Immunoglobulins