XY-AA17 Structure of artery and vein
An important support for understanding the difference between artery and veins are represented in great detail.One vein is longitudinally sectionde to show the closed and open venous valves;the artery and the right vein are cross-sectioned so the different layers,such as tunica media,elastic membrane and tunica adventitia,can be easily recongnized.20Xlife size.
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