Portal vein is formed -: (A) Behind the spleen, (B) Behind the tail of pancreas, (C) Behind the neck of pancreas, (D) Behind the second part of duodenum
Answer is C. Ans. is 'c' i.e.. Behind the neck of the pancreas o The portal vein is about 8 cm long.o It is formed by union of superior mesenteric vein and splenic vein behind the neck of pancreas at the level of L2 vertebrae in front of inferior vena cava (LVC).