Posterior relation of poal vein -
Ans. is 'd' i.e., IVC The poal vein is about 8 cm long. It is formed by the union of the superior mesenteric veins and the splenic vein behind the neck of the pancreas at the level of the second lumbar veebra. The inferior mesenteric vein drains into the inferior mesenteric vein. Impoant facts about poal vein 8 cm long The blood flow is slow Stream line flow :- Blood in superior mesentric vein drains, into right lobe of liver. Blood in splenic and inferior mesentric vein drains into left lobe. Relations Infraduodenal pa Anterior :- Neck of pancreas Posterior :- IVC Retroduodenal pa Anterior :- Ppa of duodenum, bile duct, gastroduodenal aery Posterior :- IVC Supraduodenal pa Anterior :- Hepatic aery, bile duct. Posterior :- IVC, separated by epiploic formen Development of Poal vein : Infra-duodenal pa - pa of left vitelline vein distal to the dorsal ansatomosis Retro-duodenal pa - dorsal anastomosis between two vitelline veins Supra-duodenal pa - cranial pa of right vitelline vein The poal vein receives the following veins : Splenic vein Superior mesenteric vein Left gastric Right gastric Superior pancreatico-duodenal Cystic Paraumbilical veins
I' pa of duodenum
Hepatic aery
Bile duct
IVC