The papilla of Vater and distal portions of the common bile duct and duct of Wirsung.
D001652:Bile Ducts; D001659:Biliary Tract; D003135:Common Bile Duct / Q000033:anatomy & histology*; D004386:Duodenum; D006801:Humans; D010183:Pancreatic Ducts / Q000033:anatomy & histology*
BILE DUCT, COMMON/anatomy and histology; PANCREATIC DUCT/anatomy and histology