title: Immunity to infectious agents in the gastrointestinal tract.
mesh_terms: D000818:Animals; D000992:Antitoxins / Q000276:immunology; D001424:Bacterial Infections / Q000276:immunology* / Q000517:prevention & control / Q000662:veterinary; D002417:Cattle; D005767:Gastrointestinal Diseases / Q000276:immunology* / Q000517:prevention & control / Q000662:veterinary; D006801:Humans; D007109:Immunity; D007070:Immunoglobulin A / Q000096:biosynthesis / Q000276:immunology; D007413:Intestinal Mucosa / Q000276:immunology* / Q000382:microbiology / Q000469:parasitology; D051379:Mice; D010272:Parasitic Diseases / Q000276:immunology* / Q000517:prevention & control; D010273:Parasitic Diseases, Animal; D010581:Peyer's Patches / Q000276:immunology; D051381:Rats; D013552:Swine; D014611:Vaccination / Q000662:veterinary
chemical_list: D000992:Antitoxins; D007070:Immunoglobulin A