Portal vein starts at level of?
Ans. A L2Ref: Netter's Clinical Anatomy, 3rd ed. pg. 202* Portal vein starts at level of L2 vertebra and is formed by junction of superior mesenteric vein and splenic vein. It is 8 cm long and lies behind the neck of pancreas.* Normal portal vein pressure is 5-10 mm Hg.
L2
L3
L4
L5
Abdomen & Pelvis