Its been said a million times that a picture is worth a thousand words! This holds true for me with this picture ...especially the slide photo of the vein and artery. We had discussed in class that veins had a larger lumen and thinner walls than arteries but not one time did I envision that the vein was actually that much larger than the artery in diameter. An odd misconception of mine I guess. Prior to seeing this picture, I had a visual image, I understood that the arteries had a much thicker tunica media than the veins, this made perfect sense, but in my head they also had a larger diameter overall because of that thicker layer.
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| Anatomy and Physiology Textbook* |
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