Large intestine là gì

The duodenum is the first segment of the small intestine, & the stomach releases food inlớn it. Food enters the duodenum through the pyloric sphincter in amounts that the small intestine can digest. When full, the duodenum signals the stomach khổng lồ stop emptying.

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The duodenum receives pancreatic enzymes from the pancreas and bile from the liver and gallbladder. These fluids, which enter the duodenum through an opening called the sphincter of Oddi, are important in aiding digestion and absorption. Waves of rhythmic muscular contractions (called peristalsis) also aid digestion & absorption by churning up food and mixing it with intestinal secretions.

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The jejunum & ileum 3D the rest of the small intestine and are located below the duodenum. These parts of the small intestine are largely responsible for the absorption of fats & other nutrients. Churning movements facilitate absorption. Absorption is also enhanced by the vast surface area made up of folds, villi, và microvilli. The intestinal wall is richly supplied with blood vessels that carry the absorbed nutrients lớn the liver through the portal vein. The intestinal wall releases mucus, which lubricates the intestinal contents, and water, which helps dissolve sầu the digested fragments. Small amounts of enzymes that digest proteins, sugars, & fats are also released.

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Intestinal Lymphangiectasia

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