Diagnostic Ultrasound - Abdomen and Pelvis

Liver
Anatomy: Abdomen
HEPATIC VESSELS AND BILE DUCTS
Right hepatic vein
(separates anterior and
posterior segments of
right lobe of liver)
Right hepatic duct
Left hepatic vein
(separates medial and
lateral segments of left
lobe of liver)
Right portal vein
Right hepatic artery
Middle hepatic vein
(separates right and left
lobes of liver)
Left hepatic duct
Left portal vein
Common hepatic duct
Left hepatic artery
Cystic duct
Gallbladder
IVC
Common bile duct
Main portal vein
This graphic emphasizes that at every level of branching and subdivision, the portal veins, hepatic arteries, and bile ducts course
together, constituting the "portal triad." Each segment of the liver is supplied by branches of these vessels. Conversely, hepatic venous
branches lie between hepatic segments and interdigitate with the portal triads, but never run parallel to them.
8