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Bile duct histology

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Bile duct histology shows small tubes lined by cholangiocytes, the cells that make up the biliary epithelium. Picture a network of fine ducts whose inner wall consists of a single layer of these cells. The ducts connect with one another and vary in size.

Cholangiocytes do more than contain bile. As the fluid travels toward the duodenum, these cells secrete and reabsorb substances, adjusting its composition before it reaches the intestine.

In brief

In intrahepatic bile duct histology, cholangiocytes, the cells that make up the biliary epithelium, form the simple epithelial lining of a three-dimensional network of interconnected ducts of different sizes.

This lining is not a passive wall. Before bile reaches the duodenum, cholangiocytes alter its contents through regulated secretion and reabsorption, so the microscopic structure helps shape the fluid's final composition.

Sources (1)
  1. National Center for Biotechnology InformationFunctional Heterogeneity of the Intrahepatic Biliary Epithelium

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