Fig. 7
Histological structure of the duodenum in a C, LD and HD group. A Note short and irregular villi, numerous goblet cells (arrows) in the crypts, and the Brunner’s glands (asterisk). The insert shows the section though the entire wall of the duodenum. B Note presence of numerous goblet cells (arrows) in the epithelium and the thick mucus layer containing cellular debris (asterisks). C Note the detachment of enterocytes from the villi (arrows) and the presence of mucus with cellular debris between the villi (asterisks). D Note numerous blood-containing vessels (arrows)