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The liver is made up of small roundish or oval portions called lobules, each of which is composed of minute branches of the portal vein, hepatic artery, hepatic duct, and hepatic vein. Shown is the capillary network of the lobules of the rabbit's liver. The figure is taken from a very successful injection of the hepatic veins showing nearly the whole of two lobules, and parts of three others. Labels: p, portal branches running in the interlobular spaces; h, hepatic veins penetrating and radiating from the center of the lobules.

Capillary Network in the Lobules of a Rabbit's Liver

The liver is made up of small roundish or oval portions called lobules, each of which is composed of…

Longitudinal section of a portal canal, containing a portal vein, hepatic artery and hepatic duct from the pig. Labels: P, branch of vena portae, situate in a portal canal formed amongst the lobule of the liver; l, and giving off vaginal branches; there are also seen within the larger portal vein numerous orifices of the small interlobular veins arising directly from it; a, hepatic artery; d, hepatic duct.

Portal Canal

Longitudinal section of a portal canal, containing a portal vein, hepatic artery and hepatic duct from…