<prompt> Pancreatic duct joins Common Bile Duct and open into which part of duodenum?SuperiorAscendingDescendingInferior  <response>: C Descending Common bile duct pancreatic duct enter the medial wall obliquely and usually unite to form the common hepatopancreatic ampulla. Narrow distal end opens on the summit of the major duodenal papilla ampulla of Vater, which is situated on the postero- medial wall of the second part or descending part of duodenum. 