portal venous system

Question 1

what does the hepatic portal vein drain

Answer 1

venous blood from the GI tract, spleen, pancreas and gall bladder to the sinusoids of the liver

Question 2

what does the splenic vein drain

Answer 2

blood from the inferior mesenteric, left gastro-omental, short gastric and pancreatic veins

Question 3

what does the hepatic portal vein divide into

Answer 3

right and left branches

Question 4

where does the hepatic portal vein divide

Answer 4

at the porta hepatis

Question 5

what happens in portal hypertension

Answer 5

the portal blood cannot pass freely through the liver and the portocaval anastomoses become engorged, dilated or even varicose