title: Origin of antibody in mammary secretion with particular reference to the IgA system.
mesh_terms: D000818:Animals; D000831:Animals, Newborn / Q000276:immunology; D000942:Antigens, Bacterial / Q000008:administration & dosage; D002417:Cattle; D003126:Colostrum / Q000276:immunology; D005260:Female; D006801:Humans; D007112:Immunity, Maternally-Acquired; D007070:Immunoglobulin A / Q000032:analysis / Q000276:immunology*; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007774:Lactation; D008321:Mammary Glands, Animal / Q000276:immunology / Q000378:metabolism*; D011247:Pregnancy; D011817:Rabbits; D012756:Sheep / Q000276:immunology*; D014611:Vaccination
chemical_list: D000942:Antigens, Bacterial; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M