双语教学

Explain of Hepatic Pathology

4.Normal liver zones, microscopic

Click on the portal triad and then on the central vein in the section of liver below:Liver is divided histologically into lobules. The center of the lobule is the central vein. At the periphery of the lobule are portal triads. Functionally, the liver can be divided into three zones, based upon oxygen supply. Zone 1 encircles the portal tracts where the oxygenated blood from hepatic arteries enters. Zone 3 is located around central veins, where oxygenation is poor. Zone 2 is located in between.

（本图片资料来源自美国犹他大学）