10. Structure of liver (broad anatomy & histology) Flashcards
How many lobes does the liver have? Name them
4 lobes
Left and right lobes
caudate lobe
quadrate lobe
What are the two main cell types of the liver?
Hepatocytes Kuppfer cells (macrophages of the liver)
How many segments does the liver have?
8
What is the surface landmark of the liver for percussion?
Right 5th intercostal space
What separates the 2nd and 3rd segments from the 4th segments (a&b)?
Falciform ligament
What is the blood supply and drainage of the liver?
Supplied by the hepatic artery (oxygenated blood) and portal vein (deoxygenated blood)
Drained by the hepatic vein
What does the porta hepatis consist of?
Portal vein
Hepatic artery
Hepatic duct (left and right)
What structure lies between the bare area of the liver and the caudate lobe?
Inferior vena cava
List the 3 ligaments of the liver
Falciform ligament coronary ligament (approx outline bare area) Round ligament (ligamentum teres)
What sits between the right lobe and the quadrate lobe?
Gallbladder
What is the significance of the ligamentum teres (round ligament)?
It is the obliterated umbilical vein, forming the free edge of the falciform ligament
Which lobe is the largest?
Right lobe
Which lobe sits between the gallbladder and the round ligament of the liver?
Quadrate lobe
What lies between the IVC, ligamentum venous and the porta hepatis?
The caudate lobe
What separates the plates of hepatocytes?
Sinusoids
