Human Anatomy and Histology · MU Plovdiv

34. Biliary system. Intra- and extrahepatic ducts. Gall bladder. Macroscopic, microscopic, ultramicro-scopic and functional characteristics. Blood and nerve supply.

Inside: 3 sections · 2 labelled pictures · 26 flashcards · 1 min

Topic 150 of 212 in the MU Plovdiv syllabus for Human Anatomy and Histology (Medicine, Years 1 and 2). The free AceMed note covers it in 3 sections, about 132 words (1 min of reading), with 26 flashcards.

In this note

  1. BILE DUCTS
  2. Intrahepatic bile duct
  3. 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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