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First Pass Metabolism

Satisfactory Essays

Liver is the main organ for the metabolism of exogenous material. As first pass metabolism is the major elimination route of many drugs the drug exposure in the liver can be very high and hence there is a significant incidence of Drug Induced Liver Injury (DILI) associated with this.
The liver; as represented in figure 1 receives blood from two sources:
 Arterial blood from the right and left hepatic arteries, which are branches of the coeliac axis2.
 Venous blood from the hepatic portal vein, which drains much of the alimentary tract, from the stomach to the rectum, and the spleen2.
Blood leaves the liver through the hepatic veins which drain in the inferior vena cava2.Bile is formed in the liver and drains from it into the right and left

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