title: Endoscopic observation of villi with magnifying enterocolonoscopes.
mesh_terms: D000328:Adult; D000368:Aged; D019723:Endoscopes; D004751:Enteritis / Q000473:pathology; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000648:ultrastructure*; D007421:Intestine, Small / Q000648:ultrastructure*; D008297:Male; D008751:Methylene Blue; D008871:Microvilli / Q000648:ultrastructure; D008875:Middle Aged; D014385:Tuberculosis, Gastrointestinal / Q000473:pathology
chemical_list: D008751:Methylene Blue