[Dissecting microscopy observation of villous morphology in human normal duodenal epithelium].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004386:Duodenum / Q000648:ultrastructure*; D004848:Epithelium / Q000648:ultrastructure; D005260:Female; D006801:Humans; D008297:Male; D008871:Microvilli / Q000648:ultrastructure; D008875:Middle Aged