Describe these small intestine structures and their functions: intestinal glands -

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♦ The small intestine is the part of the gastrointestinal tract where much of the digestion and absorption of food takes place.
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♦Brunner’s glands: Compound, tubular, submucosal glands found in that portion of the duodenum that is above the hepatopancreatic sphincter (sphincter of Oddi).

♦Peyer’s patches: Patches of lymphoid tissue or lymphoid nodules on the walls of the ileum in the small intestine.

♦intestinal wall: The wall of the small intestine is composed of four layers, from the outside to the inside: serosa, muscularis, submucosa, and mucosa.

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