Liver Structure

Question 1

Liver cells are called….

Answer 1

Hepatocytes

Question 2

Key adaptations of hepatocytes

Answer 2

Many mitochondria
Large nuclei
Prominent Golgi body - lots of enzymes to make
Microvilli for high SA

Question 3

Lobes of liver

Answer 3

Hepatic lobules

Question 4

Structure of hepatic lobules

Answer 4

Roughly hexagonal
Contain hepatic portal vein hepatic artery central vein bile duct and Kupffer cells

Question 5

Function of hpv and ha

Answer 5

Bring blood into the lobules travel via sinusoid to the central vein surrounded by hepatocytes

Question 6

Function of Kupffer cells

Answer 6

Act as macrophages ingest foreign particles
Break down RBCs into protein chains and haem group
Then convert haem group into a substance called bilirubin

Question 7

Function of hepatocytes

Answer 7

Take up bilirubin and secrete into the bile in spaces called the caniculi

Question 8

Function of bile caniculus

Answer 8

Drain bilirubin and other products into the bile ductules
Then taken to the hall bladder for storage

Question 9

Vessels into/out of liver

Answer 9

Oxygenated delivered via hepatic artery
Deoxygenated delivered via hepatic vein
Products of digestion from intestines brought from hepatic portal vein