Biological Sciences and Healthcare, part 1

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > digestive system > Intra-abdominal digestive structure > Liver and biliary structure > biliary tract > bile duct > Bile duct part (body structure) > Extrahepatic bile duct > Region of main bile duct > Middle third of main bile duct > Entire middle third of main bile duct (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Abdomen > Intra-abdominopelvic structure > Intra-abdominal digestive structure > Liver and biliary structure > biliary tract > bile duct > Bile duct part (body structure) > Extrahepatic bile duct > Region of main bile duct > Middle third of main bile duct > Entire middle third of main bile duct (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Abdomen > Intra-abdominopelvic structure > Intra-abdominal digestive structure > Liver and biliary structure > biliary tract > bile duct > Bile duct part (body structure) > Extrahepatic bile duct > Region of main bile duct > Middle third of main bile duct > Entire middle third of main bile duct (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Cross-sectional abdomen > Liver and biliary structure > biliary tract > bile duct > Bile duct part (body structure) > Extrahepatic bile duct > Region of main bile duct > Middle third of main bile duct > Entire middle third of main bile duct (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Digestive organs, NOS > Liver and biliary structure > biliary tract > bile duct > Bile duct part (body structure) > Extrahepatic bile duct > Region of main bile duct > Middle third of main bile duct > Entire middle third of main bile duct (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > digestive system > Digestive organs, NOS > Liver and biliary structure > biliary tract > bile duct > Bile duct part (body structure) > Extrahepatic bile duct > Region of main bile duct > Middle third of main bile duct > Entire middle third of main bile duct (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Duct (organ) structure > bile duct > Bile duct part (body structure) > Extrahepatic bile duct > Region of main bile duct > Middle third of main bile duct > Entire middle third of main bile duct (body structure)