title: Antibodies formed in the gastrointestinal tract.
mesh_terms: D000917:Antibody Formation; D004064:Digestive System / Q000276:immunology*; D006801:Humans; D007136:Immunoglobulins / Q000096:biosynthesis*; D007419:Intestinal Secretions / Q000276:immunology*
chemical_list: D007136:Immunoglobulins