Ampullary biopsy. A critical appraisal based on a histological study of the normal ppilla of Vater.
D000367:Age Factors; D014670:Ampulla of Vater / Q000033:anatomy & histology* / Q000473:pathology; D001660:Biliary Tract Diseases / Q000473:pathology; D001706:Biopsy; D005260:Female; D006801:Humans; D006965:Hyperplasia; D006984:Hypertrophy; D008297:Male; D009092:Mucous Membrane / Q000033:anatomy & histology; D012598:Sclerosis