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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…