The liver receives its blood supply from both the hepatic portal vein and hepatic arteries. The hepatic portal vein supplies around 75% of the liver's blood flow, carrying nutrient-rich but oxygen-poor blood from the spleen, gastrointestinal tract and other organs. The hepatic arteries supply the remaining blood flow, carrying oxygen-rich but nutrient-poor arterial blood. Both sources provide oxygen, with around half coming from each vessel, and most venous drainage from the liver passes into the three hepatic veins which drain into the inferior vena cava.

1. Blood Supply Of The Liver
Dr. Bijay Kr. Yadav
MD-Radiology Resident
I. K. Akhunbaev KSMA

2. Arterial supply
 The liver receives a dual blood supply from the portal vein
and hepatic arteries.

3.  The hepatic portal vein supplies ~75% of the liver's blood supply by
volume and carries venous blood drained from the spleen,
gastrointestinal tract, and its associated organs (hence oxygen-poor
and nutrient-rich).
 The hepatic arteries supply arterial blood to the liver and account
for the remainder of its blood flow (hence oxygen-rich and nutrient-
poor).
 Oxygen is provided from both sources; approximately half of the
liver's oxygen demand is met by the hepatic portal vein, and half is
met by the hepatic arteries.

4. Mickey Mouse appearance
Flying Bird appearance

5. Venous Drainage
 Most of the venous drainage from the liver passes into the
three hepatic veins (Right hepatic vein, Middle hepatic vein and Left
hepatic vein) which drain into the inferior vena cava.

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