The Portal vein




Union of superior mesenteric and splenic veins

Course and relations

Formed behind the neck of pancreas


  • Neck of pancreas

  • Superior part of duodenum

  • Hepatic artery

  • Common bile duct
  • Inferior vena cava

  • Omental foramen

Tributaries and Territory of drainage

Territory of drainage
  • Splenic vein

  • Superior mesenteric vein

  • Left gastric vein

  • Right gastric vein

  • Cystic veins

  • Para umbilical veins
  • All GIT  except:

    Lower part of the anal canal

    (+) Pancreas

    (+) Gall bladder

    (+) Spleen

Posterior abdominal wall and diaphragm