NCIt definition : Either one of two openings from the pancreatic ducts into the duodenum. The major
duodenal papilla opens from the pancreatic duct into the duodenum. The minor duodenal
papilla opens from the accessory pancreatic duct into the descending second section
of the duodenum.;
Alternative definition : CDISC: An opening on the duodenal mucosa where the bile and pancreatic ducts enter
the duodenum.;