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Updated: Apr 26, 2026

Extrahepatic Bile Duct and Gall Bladder Dissection in Nine-Day-Old Mouse Neonates
Published on: August 23, 2022
Extrahepatic biliary tract in chinchilla (Chinchilla laniger, Molina)
E Nowak1, J Kuchinka1, A Szczurkowski1
1Department of Comparative Anatomy, Institute of Biology, Jan Kochanowski University in Kielce, 15 Swietokrzyska Street, 25-406, Kielce, Poland.
Abstract:
The aim of the study was the macromorphological analysis of extrahepatic biliary tract in chinchilla (Chinchilla laniger Molina). Bile ducts, the gall bladder and portal vein were injected with coloured latex. Using the technique of dissection, bile ducts were isolated from the liver lobes. It was found that the cystic duct in this species is rarely single. Hepatic ducts form a system of multiple anastomosing structures running in the hepatoduodenal ligament. Many bile duct openings were observed in the duodenal papilla. The results confirm wide variations of the biliary tract in mammals and may be important for comparative analysis of the morphological differentiation of these structures in small mammals.
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