title: The secretory IgA system and mucosal defence.
mesh_terms: D000818:Animals; D004064:Digestive System / Q000276:immunology; D004926:Escherichia coli / Q000276:immunology; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000276:immunology*; D007071:Immunoglobulin A, Secretory / Q000096:biosynthesis / Q000276:immunology*; D007413:Intestinal Mucosa / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology; D009092:Mucous Membrane / Q000276:immunology*; D010581:Peyer's Patches / Q000276:immunology; D011247:Pregnancy; D012137:Respiratory System / Q000276:immunology; D012475:Salmonella / Q000276:immunology; D012760:Shigella / Q000276:immunology; D014551:Urinary Tract / Q000276:immunology
chemical_list: D007070:Immunoglobulin A; D007071:Immunoglobulin A, Secretory