title: Immunologic mechanisms in pulmonary disease.
abstract: This article reviews some concepts about the organization of the immune system and the immunopathologic mechanisms of hypersensitivity. This is followed by a discussion of the effect of excessive or inappropriate immunologic resources on the respiratory tract.
mesh_terms: D000818:Animals; D019867:Anti-Glomerular Basement Membrane Disease / Q000276:immunology; D001229:Aspergillosis, Allergic Bronchopulmonary / Q000276:immunology; D001249:Asthma / Q000276:immunology; D001402:B-Lymphocytes / Q000276:immunology; D003165:Complement System Proteins / Q000276:immunology; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology; D007136:Immunoglobulins / Q000276:immunology; D008168:Lung / Q000276:immunology; D008171:Lung Diseases / Q000276:immunology*; D010586:Phagocytes / Q000276:immunology; D011014:Pneumonia / Q000276:immunology; D011658:Pulmonary Fibrosis / Q000276:immunology; D051381:Rats; D012507:Sarcoidosis / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007136:Immunoglobulins; D003165:Complement System Proteins