C4:S1 - Accessory Organs of the GI Tract - Liver

Question 1

The round ligament of the liver is a remnant of which embryological structure?

Answer 1

Left umbillical vein

Question 2

What are the 4 lobes of the liver?

Answer 2

• Caudate lobe
• Quadrate lobe
• Right lobe
• Left lobe

Question 3

How do you identify the caudate lobe?

Answer 3

• Next to the IVC
• Superior to the porta hepatis

Question 4

How do you identify the quadrate lobe?

Answer 4

• Next to gall bladder and ligamentum teres
• Inferior to the porta hepatis

Question 5

What is the bare area of the liver?

Answer 5

Part of the liver that is non peritonised.

• Connected to the diaphragm so is on the superior surface

Question 6

What are the three structures present in the porta hepatis?

Answer 6

Common hepatic duct

Right and left branches of the hepatic artery

Portal vein

Question 7

What fold of the peritoneum is wrapped around the structures of the porta hepatis?

Answer 7

Lesser omenutm

• More specifically the hepaticoduodenal ligament

Question 8

What are the main histological features that allow you to identify the liver?

Answer 8

• Cells arranged in sheets that converge towards a central vein
• At the corners of the lobules there is a portal triad (vein, artery and bile duct)
• Sinusoids leading to central vein