Submucosal glands are present in the following pa of gastro intestinal tract?
Correct Answer: Duodenum
Description: The major distinguishing feature of this C-shaped first pa of the small intestine duodenum is the presence of duodenal (Brunner's) glands in the submucosa. The mucous cells of these glands produce an alkaline secretion (pH 8.1-9.3) that enters the lumen through the crypts. It protects the duodenal lining from the acidity of the chyme and raises the luminal pH to optimize pancreatic enzyme activity.
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Anatomy
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