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The liver and gallbladder
- Author: Tobias Schwarz
- From: BSAVA Manual of Canine and Feline Abdominal Imaging
- Item: Chapter 12, pp 144 - 156
- DOI: 10.22233/9781905319718.12
- Copyright: © 2009 British Small Animal Veterinary Association
- Publication Date: March 2009
Abstract
The canine and feline liver consists of six lobes with several processes. In dogs and cats the liver is located within the ribcage. The convex diaphragmatic surface of the liver is intimate with the concave visceral surface of the diaphragm. The visceral surface of the liver contains impressions of the adjacent organs (gallbladder, right kidney, stomach and duodenum). The strong lobation and a small film of peritoneal fluid provide high flexibility to accommodate the respiratory excursion of the diaphragm. The gallbladder is a pear-shaped fluid-filled organ located between the quadrate and right medial liver lobes in the dog and between two parts of the right medial liver lobe in the cat. It stores and concentrates the bile that it receives from the hepatic biliary ducts. Bile is secreted into the duodenum via the cystic and common bile duct. The anatomy of the bile duct and its relationship with the pancreatic duct differs between dogs and cats. In cats, the gallbladder is frequently bilobed. The chapter looks at Radiographic anatomy and normal variation; Significance of radiographic abnormalities; Ultrasonography; and an Overview of additional imaging modalities.
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