title: Columnar mucosa of the distal esophagus in patients with gastroesophageal reflux.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004702:Endocrine Glands / Q000648:ultrastructure; D004848:Epithelium / Q000473:pathology / Q000648:ultrastructure; D004942:Esophagitis, Peptic / Q000473:pathology*; D004945:Esophagoscopy; D005260:Female; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009092:Mucous Membrane / Q000648:ultrastructure