PATHOLOGY

Detailed explanation-1: -The accessory pancreatic duct (APD) is the main drainage duct of the dorsal pancreatic bud in the embryo, entering the duodenum at the minor duodenal papilla (MIP). With the growth, the duct of the dorsal bud undergoes varying degrees of atrophy at the duodenal end.

Detailed explanation-2: -The common bile duct and the common hepatic duct together constitute the main bile duct. The lower end of the bile duct sweeps around behind the duodenum and through the head of the pancreas before joining the pancreatic duct at the main papilla (of Vater).

Detailed explanation-3: -The pancreatic enzymes are drained by 2 pancreatic ducts: the duct of Wirsung (major pancreatic duct) and the duct of Santorini (minor pancreatic duct). The ventral duct forms the proximal portion of the major pancreatic duct, which opens into the duodenum via the ampulla of Vater.