Chapter 95 Liver and Biliary System

Question 1

What is the coronary ligament of the liver

Answer 1

Coronary ligament attaches the liver to the diaphragm and is a continuation of the hepatic peritoneal covering, which is present over the entire surface of the organ except for the region of the porta hepatis.

Question 2

Blood supply of the liver and oxygen provided

Answer 2

Hepatic artery 20% of blood volume
Hepatic artery provides 50% of oxygen supply
Portal Vein 80% of blood volume and other 50%

Question 3

Pringle maneuver: Which vessels are ligated and for how long

Answer 3

10-15 minutes
Hepatic artery, portal vein, common bile duct

Question 4

Describe pancreatic duct in dogs

Answer 4

Common bile duct enters duodenum at the major duodenal papilla NEXT to the pancreatic duct *

Accessory pancreatic duct (main duct in dogs) is the larger pancreatic excretory duct and enters at the minor duodenal papilla

Question 5

Describe the pancreatic duct in cats

Answer 5

Common bile duct and pancreatic duct (main duct in cats) conjoin before entry into the duodenum at the major papilla *
Only 20% of cats have accessory pancreatic duct
Any disease that affects major duodenal papilla has potential to cause pancreatic exocrine insufficiency

Question 6

What is produced in the liver

Answer 6

Liver’s responsible for 20% of total body protein production – albumin, alpha- beta- and some gamma-globulins.
Liver synthesizes cholesterol from chylomicrons and lipoproteins
Anticoagulants and fibrinolytic agents (plasminogen, antithrombin III, alpha 2 macroglobulin, and alpha2plasmin all produced in the liver

Question 7

How does liver metabolize carbohydrates and maintain plasma glucose concentrations

Answer 7

gluconeogenesis and glycogenolysis