Covers the bile ducts in two parts: the intrahepatic ducts, from the bile canaliculi between hepatocytes through the intralobular and interlobular ducts to the right and left bile ducts, and the extrahepatic ducts, from the porta hepatis to the duodenum. It describes the right and left hepatic ducts, the common hepatic and cystic ducts, and the four parts of the bile duct, supraduodenal, retroduodenal, pancreatic and intramural, with their positions relative to the duodenum and pancreas. Two pictures accompany the text.
Topic 16 of 44 in the MU Sofia syllabus for Anatomy (Internal Organs+Glands) (Medicine, Years 1 and 2). The free AceMed note covers it in 3 sections, about 133 words (1 min of reading), with 10 flashcards.
In this note
BILE DUCTS
Intrahepatic bile duct
Extrahepatic bile ducts
Intrahepatic bile duct
The ducts collecting the bile inside the liver.
Bile canaliculi (channels between hepatocytes)
Transport the bile produced by hepatocytes to :
Intralobular bile ducts (at the periphery of the hepatic lobule)
Interlobular bile ducts
emerge.
Right & left bile duct
from right lobe
left lobe
Extrahepatic bile ducts
From the porta hepatis to the duodenum within the hepatoduodenal ligament
Right hepatic duct
left hepatic duct
emerge from porta hepatis
common hepatic duct
cystic duct (from the gallbladder)
Bile Duct 6-8 cm long
9.1 Supraduodenal part
9.2 Retroduodenal part (behind the superior part of the duodenum)
9.3 Pancreatic Part
Located in a groove between the descending part of the duodenum and the head of pancreas
Elevates the longitudinal folds of the duodenum
9.4 Intramural part
passes inside the medial wall of the descending part of the duodenum
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