title: Lung host defenses: a status report.
mesh_terms: D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000276:immunology*; D001980:Bronchi / Q000276:immunology; D003170:Complement Pathway, Alternative; D006801:Humans; D007113:Immunity, Innate; D007071:Immunoglobulin A, Secretory / Q000276:immunology; D007073:Immunoglobulin E / Q000276:immunology; D007074:Immunoglobulin G / Q000276:immunology; D008168:Lung / Q000276:immunology*; D008221:Lymphoid Tissue / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D010587:Phagocytosis; D011650:Pulmonary Alveoli / Q000166:cytology; D011663:Pulmonary Surfactants / Q000276:immunology
chemical_list: D000941:Antigens; D007071:Immunoglobulin A, Secretory; D007074:Immunoglobulin G; D011663:Pulmonary Surfactants; D007073:Immunoglobulin E