Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.

Last updated: Jan 14th, 2025

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The endothelium grows along the interior surface of the veins and arteries. The endothelium of the vein is a thin cell layer which lines the innermost layer of cells, known as the tunica intima.

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