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Bile Duct System and Gallbladder. The bile duct (biliary) system provides the channels through which bile is transported from the liver to the duodenum (through the papilla of Vater). The liver is found in the right upper corner of the abdomen, immediately below the diaphragm. In health it weighs 3-4 pounds.
The gallbladder acts as a storage vessel for bile produced by the liver. Bile is produced by hepatocytes cells in the liver and passes through the bile ducts to the cystic duct. From the cystic duct, bile is pushed into the gallbladder by peristalsis (muscle contractions that occur in orderly waves).