The gallbladder is a muscular sac located under the liver. It stores and concentrates the bile produced in the liver that is not immediately needed for digestion. Bile is released from the gallbladder into the small intestine in response to food. The pancreatic duct joins the common bile duct at the small intestine adding enzymes to aid in digestion.
Last reviewed 8/17/2011 by Ann Rogers, MD, Associate Professor of Surgery; Director, Penn State Surgical Weight Loss Program, Penn State Milton S. Hershey Medical Center. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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