This anatomically detailed model, enlarged 14 times, depicts a medium-sized muscular artery accompanied by two adjacent veins from the antebrachial region, along with surrounding fat and muscle tissue. It demonstrates the anatomical relationship between the artery and veins, as well as the fundamental functional mechanisms of venous valves, including the ?valve function? and ?muscle pump.? The left vein and central artery feature fenestrated sections on the upper front side, exposing the structural wall layers in both cross-sectional and longitudinal views, as well as from above. The right vein is opened along its front segment, displaying the opening of a feeder vein and two venous ?flap valves? formed by the folding of the tunica intima. The rear side of the model shows the relief of two veins to further illustrate venous valve function. Mounted on a base for easy observation and demonstration.
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