Biliary System

Question 1

What is the role of the L+R hepatic ducts?

Answer 1

Drains bile from L + R sides of the liver into common hepatic duct

Question 2

Which duct does the common hepatic duct join with?

Answer 2

The cystic duct - spirals and drains into gallbladder

Common hepatic and cystic duct form one tube - common bile duct

Question 3

What is the role of the common bile duct?

Answer 3

Carries bile from gallbladder into the duodenum

Question 4

What is the gallbladders function?

Answer 4

Reservoir for bile

Question 5

How does the gallbladder fill and empty out bile?

Answer 5

Via cystic duct
fills passively
empties by muscle wall contraction

Question 6

Describe the location of the gallbaldder

Answer 6

Held on posterior surface of liver on inferior side by sheet of peritoneum
Lower part of gallbaldder hangs below free border of liver

Question 7

What is the role of the pancreatic duct?

Answer 7

Joins with common bile duct (ampulla of vater) to provide pancreatic juice to duodenum

Question 8

What is the duodenal papilla?

Answer 8

Rounded projection at opening of common bile duct and pancreatic duct into the duodenum

Question 9

What is the blood supply to the pancreas?

Answer 9

Supplied via splenic arteries branching from superior mesenteric and coeliac arteries

Question 10

Describe the venous drainage of the pancreas

Answer 10

Drained into superior mesenteric branches into the hepatic portal vein