The use of the hepatic artery is to nourish the liver, while the other vessels carry blood to be modified by the liver cells in certain important directions; g, branches of the bile ducts, carrying bile from the various lobules into the gall bladder and into the intestines; x x, intralobular bile capillaries between the liver cells.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
These are branches of the portal vein, which carries blood from the stomach and intestines to the liver; c c, capillaries, or very fine blood vessels, extending as a very fine network between the groups of liver cells from the interlobular vein to the center of the lobule and emptying there into the intralobular vein to the center of the lobule; v c, intralobular vein, or the vein within the lobule.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler