What are the processes that take place in duodenum?
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The pancreas, liver and gallbladder all deliver their digestive secretions into the duodenum through an orifice known as the ampulla of Vater, which is located roughly in the middle of the duodenum on the left side.
The walls of the duodenum are made of four layers of tissue that are consistent with the structure of the rest of the gastrointestinal tract:
The innermost layer, the mucosa, lines the inner surface of the duodenum and is in contact with chyme passing through the intestinal lumen. It is made of simple columnar epithelial tissue with microvilli on its surface to increase its surface area and improve the absorption of nutrients. Plentiful mucous glands secrete mucus into the lumen to lubricate the intestinal wall and protect it from friction and acidic chyme.
The walls of the duodenum are made of four layers of tissue that are consistent with the structure of the rest of the gastrointestinal tract:
The innermost layer, the mucosa, lines the inner surface of the duodenum and is in contact with chyme passing through the intestinal lumen. It is made of simple columnar epithelial tissue with microvilli on its surface to increase its surface area and improve the absorption of nutrients. Plentiful mucous glands secrete mucus into the lumen to lubricate the intestinal wall and protect it from friction and acidic chyme.
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