Homo sapiens duodenal papilla major duodenal papilla UBERON:0012271 FMA:15074 major papilla SCTID:181272007 papilla duodeni major tubercle of Vater The common bile duct and the pancreatic duct together perforate the medial side of the second portion of the duodenum obliquely, some 7 to 10 cm below the pylorus, forming a structure called the major duodenal papilla. The accessory pancreatic duct sometimes pierces it about 2 cm above and slightly in front of these. greater duodenal papilla Wikipedia:Major_duodenal_papilla