Liver and Gallbladder Flashcards
(29 cards)
Ligamentum teres contains
Obliterated umbilical vein
Ligamentum venosum contains
Remnants of obliterated ductus venosis
The bare area of the liver is
The only part not covered by peritoneum
Cantlie’s line
Creates a plane from gallbladder to IVC
Ligamentum teres is also known as
The round ligament
Blood supply to the liver comes from
L and R hepatic arteries = 25% of blood
Portal vein brings 75% of blood
Replaced and accessory RIGHT hepatic arteries come off the
SMA
Replaced and accessory LEFT hepatic arteries come off the
Left gastric
Completely replaced common hepatic artery means
The common hepatic branch of the celiac trunk is on the SMA now
Right hepatic vein drains liver segments
5-8
Middle hepatic vein drains liver segments
4, 5, and 8
Left hepatic vein drains liver segments
2-3
The portal vein drains blood from
Spleen
Stomach
Pancreas
Small intestine
Majority of colon
Describe the relationship of the portal triad
Portal vein is posterior
Hepatic artery is medial
CBD is most lateral
The liver, gallbladder, and billary duct systems arise from
The hepatic diverticulum
The hepatic diverticulum is divided into 2 parts:
Cranial and caudal
Cranial part of hepatic diverticulum forms the
Primordium of the liver
Cadual part of the hepatic diverticulum forms the
gallbladder
The stalk of the diverticulum forms the
Cystic duct
The stalk connecting the hepatic and cystic ducts becomes
The common bile duct
The gallbladder gets its blood from the ___ while the CBD gets blood from ___
Gallbladder = cystic artery
CBD = Gastro-duodenal arteries
What are the 5 portosystemic anastamoses?
Gastroesophageal
Anorectal
Paraumbilical
Retroperitoneal
Gastroespohageal anastamoses is between
Gastric (portal system)
Esophageal (systemic)
Azygos vein (systemic)
Anorectal anastamoses is between
Superior rectal vein (portal system)
Middle and inferior rectal veins (systemic)