Small Intestine - Small Intestine convoluted tube extending...

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Small Intestine : convoluted tube extending from the pyloric sphincter to ileocecal valve; major function is completion of digestion & absorption of nutrients o duodenum : shortest region; continuous with pylorus of stomach hepatopancreatic ampulla : union of bile duct main pancreatic duct (carrying pancreatic juice) hepatopancreatic sphincter (sphincter of Oddi) pancreatic juice o jejunum : extends from duodenum to ileum o ileum : continuous with large intestine through ileocecal valve - mesentery : attaches jejunum & ileum to posterior abdominal wall - Microscopic anatomy of small intestine o plicae circulares (circular folds) chyme movement for absorption o villi : fingerlike projections of mucosa composed of absorptive columnar cells called enterocytes in the core of each villus is a capillary bed & lymphatic lacteal for absorption
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Small Intestine - Small Intestine convoluted tube extending...

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