How is arterial blood supply?

The hepatic artery supplies approximately 25% of the 1500 mL of blood that enters the liver each minute; the remaining 75% is supplied by the portal vein Celiac trunk ,left gastric, splenic, and common hepatic arteries. Common hepatic artery divides into the proper hepatic artery and the gastroduodenal artery. Proper hepatic artery divides into the right and left hepatic arteries Variations of the standard arterial anatomy of the liver are relatively common, seen in up to 40% of patients Recognition of this anatomical variant is critical during surgery of the liver and on the extrahepatic biliary tree