What contriubutes to form the portal vein?
The portal vein is the upward continuation of teh SMV after union with the splenic vein, behind the neck of the pancreas
What significant anatomical routes deviate behind D1?
The bile duct curves to the right behind the pancreas, the hepatic artery curves to the left in front of the pancreas
What is the course of the portal vein?
The portal vein lies infront of the IVC, passing up behind the pancreas and D1 through the free edge of the lesser omentum
What happens to the portal vein at the porta hepatis?
The portal vein divides in a T shape into right and left branches
What are the seven tributaries of the portal vein?
SMV, splenic vein, R and L gastric veins, superior pancreaticoduodenal veins, cystic vein (to the right branch), perioumbilical veins (with ligamentum teres)
There is no significant ………. in the human
List the five portal/systemic anastomoses
- Lower oesophageal
- Upper end of anal canal
- Bare area of the liver
- Periumbilical region
- maybe there are only four
Describe the development of the portal vein
The SMV and splenic veins unite ??? left vitelline (top part closes) xxx cros channel xxx right vitelline.