Under a light microscope, what is the best way to distinguish a branch of the portal vein from a branch of the hepatic artery in a portal triad?
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Correct answer: The vein has a wider lumen and thinner wall
Like most veins, the branch of the portal vein has a large lumen and a thin wall. The hepatic artery branch is much smaller in diameter but has a relatively thicker, more prominent muscular wall (tunica media).
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More Liver Histology questions
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