Portal System

MAIN PORTAL VEIN IS FORMED BY

splenic vein and SMV

constitutes 75% of blood flow to the liver

main portal vein

Inferior mesenteric vein drains into

superior mesenteric vein (SMV)

the main portal vein enters the liver at the

porta hepatis

portal veins lie in a

canal of connective tissue

flow of portal veins

hepatopedal

the right portal vein branches into

anterior and posterior segments

left portal veins branch into

medial and lateral segments

HEPATOPEDAL

blood going TOWARDS the liver

HEPATOFUGAL

normal flow of HEPATIC VEINS

HEPATIC ARTERIES DECREASE IN SIZES AS THEY RUN MORE

CEPHALAD

the middle hepatic vein enters

anterior on the right lateral side

which portion of the CBD descends in the edge of the lesser omentum

1st portion

the 1st portion of the CBD descends in the

edge of lesser omentum

the 2nd portion of thhe CBD lies

posterior to the 1st part of duodenum

part of CBD that lies posterior to the 1st part of duodenum

2nd portion of CBD

portion of CBD that lies in a groove on the posterior surface of the pancreatic head

3rd portion

what pirces the 2nd portion of the duodenum?

CBD

the CBD is joined by the _____________ to open into the ampulla of vater/sphincter of odi

main pancreatic duct \n (duct of wirsung)

the proximal portion of the CBD is lateral to ____________ and anterior to ______________

lateral to hepatic artery & \n anterior to portal vein

what makes up the “Mickey Mouse” sign

main portal vein \n cbd \n hepatic artery

duct that runs mostly posterior behind 1st portion pf duodenum as it enters the pancreas

cbd

what makes up the portal triad?

hepatic artery \n portal vein \n CBD

hepatic artery is ______&________ to portal vein

anterior and medial

portal vein is _______________ to porta hepatis

posterior

CBD is ______&________ to portal vein

lateral and anterior

liver length

less than 15 cm