7. Anatomy of the liver & biliary tree

Question 1

how is the liver held in place in the abdominal cavity

Answer 1

1- attached to diaphragm by: coronary lig. and L and R triangular ligs.
2- attached to anterior abdominal wall by: falciform lig.
3- attached to IVC by: hepatic veins
4- attached to stomach by: lesser omentum (hepatogastric and hepatoduodenal ligs.)
5- attached to other organs by: porta hepatis vessels (in free edge of lesser omentum)

Question 2

what is the porta hepatis

Answer 2

liver hilum transmitting the:
- portal vein
- hepatic aa.
- common hepatic duct
\+ lymphatics and autonomic nn.

Question 3

what are the falciform lig. and ligamentum teres mature derivatives of

Answer 3

falciform lig. = foregut ventral mesentery

ligamentum teres = umbilical v.

Question 4

which conditions would gallstones in the following areas cause:

1. cystic duct
2. common bile duct
3. ampulla of vater

Answer 4

1. cholecystitis and biliary colic
2. ascending cholangitis
3. pancreatitis