31. It has been recovered from a biliary stent. 32. Aiden was born with biliary atresia, a condition where the bile duct is obstructed. 33. Modafinil has been shown to improve excessive daytime somnolence and fatigue in primary biliary cirrhosis. 34. An association between biliary atresia and the ADD3 gene was first detected in Hedgehog gene. 35. These mechanisms are responsible for the dark urine and pale stools observed in biliary obstruction. 36. Patients that have gallstones and biliary colic are at increased risk for complications including cholecystitis. 37. Pneumobilia means air in the biliary tract. 38. Biliary atresia is a condition that affects one of out of every 15, 000 children.39. Failure of the biliary sphincter of Oddi can be distinguished from failure of the pancreatic sphincter. 40. The constancy of the pain is in contrast to the repeated short bouts of biliary colic.