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The central image is a frontal illustration of a lunging naked human male. The veins of the body are clearly shown and are labeled with letters of the alphabet. There are three other figures (numbered 'II' to 'IIII') beneath the central image: a leg, an arm, and a cross-section of a vein. Each of the figures is labeled like the central image.
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The National Library of Medicine believes this item to be in the public domain. (More information)