Figure 1From: Intralobular Distribution of Vitamin A-Storing Lipid Droplets in Hepatic Stellate Cells with Special Reference to Polar Bear and Arctic FoxZonal division of the liver lobule. To make a zonal morphometric analysis, we divided the liver lobule histologically into 5 zonal areas of equal widths (I, II, III, IV, and V) from the portal vein (pv) to the central vein (cv).Back to article page