Enterohepatic circulation
Circulation of substances in the human digestive system / From Wikipedia, the free encyclopedia
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Not to be confused with the hepatic portal system which directs nutrient rich blood from the intestines to the liver.
Enterohepatic circulation is the circulation of biliary acids, bilirubin, drugs or other substances from the liver to the bile, followed by entry into the small intestine, absorption by the enterocyte and transport back to the liver. Enterohepatic circulation is an especially important concept in the field of toxicology as many lipophilic xenobiotics undergo this process causing repeated liver damage.
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