PRINT ISSN 1222-5304, ISSN-L: 2065-1295, ISSN CD: 2343-9394,ISSN ONLINE 2067-3663


Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXIII, Issue 2
Written by Florin Gheorghe STAN

In mammals the variations of the anatomy of the extrahepatic biliary tree have long been recognized. The aim of this study was the macromorphological description of the gallbladder and extrahepatic biliary tract in guinea pigs (Cavia porcellus).Using dissection techniques the gallbladder topography, anatomic particularities regarding the shape and the connecting elements were assessed. Also, the macroscopic appearance of extrahepatic biliary tract and its path was described. The round and well developed gallbladder, exceeds the ventral border of the liver being visible on both, the visceral and the diaphragmatic surfaces of the liver. The gallbladder was connected with the right medial lobe and with the quadrate lobe of the liver by two tiny ligaments. Proximal, the unique cystic duct shows an obvious constriction and a conspicuous swelling. On its path on the hepatoduodenal ligament, the cystic duct joined the left hepatic duct to form the common bile duct. The right hepatic duct drained the right territory of the liver and joined the common bile duct itself. The left territory of the liver and in some cases the quadrate lobe was drained by the left hepatic duct. Distally, the common bile duct shows a unique ampullary dilatation from which a small duct drains into the first segment of duodenum. The major duodenal papilla was located at 1.5 cm distal to the pylorus.

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