Portal vein (dave's notes)

Question 1

What contriubutes to form the portal vein?

Answer 1

The portal vein is the upward continuation of teh SMV after union with the splenic vein, behind the neck of the pancreas

Question 2

What significant anatomical routes deviate behind D1?

Answer 2

The bile duct curves to the right behind the pancreas, the hepatic artery curves to the left in front of the pancreas

Question 3

What is the course of the portal vein?

Answer 3

The portal vein lies infront of the IVC, passing up behind the pancreas and D1 through the free edge of the lesser omentum

Question 4

What happens to the portal vein at the porta hepatis?

Answer 4

The portal vein divides in a T shape into right and left branches

Question 5

What are the seven tributaries of the portal vein?

Answer 5

SMV, splenic vein, R and L gastric veins, superior pancreaticoduodenal veins, cystic vein (to the right branch), perioumbilical veins (with ligamentum teres)

Question 6

There is no significant ………. in the human

Answer 6

???steaming WTF??

Question 7

List the five portal/systemic anastomoses

Answer 7

1. Lower oesophageal
2. Upper end of anal canal
3. Bare area of the liver
4. Periumbilical region
5. maybe there are only four

Question 8

Describe the development of the portal vein

Answer 8

The SMV and splenic veins unite ??? left vitelline (top part closes) xxx cros channel xxx right vitelline.