title: The human gut as an important immunological structure.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D002648:Child; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000378:metabolism; D007074:Immunoglobulin G / Q000378:metabolism; D007075:Immunoglobulin M / Q000378:metabolism; D007153:Immunologic Deficiency Syndromes / Q000150:complications; D007410:Intestinal Diseases / Q000150:complications / Q000276:immunology; D007413:Intestinal Mucosa / Q000276:immunology; D007421:Intestine, Small / Q000473:pathology; D007422:Intestines / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology; D008297:Male; D008875:Middle Aged; D012007:Rectum / Q000473:pathology
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M