Venous Drainage Of GI Tract Flashcards
1
Q
Which veins form the portal vein (where is it formed)
A
Splenic vein and superior mesenteric vein
Formed behind the neck of the pancreas (vertebral level L2)
2
Q
What is the role of the portal vein
A
Carries all products of digestion to the liver for final metabolism
3
Q
Which organs does portal vein transport blood from (4)
A
Spleen
Pancreas
Gall bladder
Abdominal part of GI tract
4
Q
What happens if the portal vein is obstructed at the anorectal junction
A
Haemorrhoids (piles)
5
Q
What happens if the portal vein is obstructed at the gastroesophageal junction
A
Esophageal varices (if this ruptures = vomitting blood)
6
Q
What happens if the portal vein is obstructed at the umbilicus
A
Caput medusae (swelling of veins in the abdomen)
