The common channel for bile and pancreatic ducts.
D001646:Bile; D001652:Bile Ducts; D003135:Common Bile Duct / Q000033:anatomy & histology*; D006652:Histological Techniques; D006801:Humans; D010183:Pancreatic Ducts / Q000033:anatomy & histology*
BILE DUCT, COMMON/anatomy and histology; PANCREATIC DUCT/anatomy and histology