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This 1976 transmission electron microscopic (TEM) image depicted a cross-sectional view of a normal, uninfected mouse brain capillary that has been perfusion-fixed at normal blood pressure. The endothelial layer is actually the epithelial layer that lines the lumina of blood vessels, and is comprised of a single layer of endothelial cells. In the case of capillaries, the vessel is made up of an endothelial layer, which is surrounded by a basement membrane, and it's through these very thin-walled vessels that gas exchange, and waste removal takes place.
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Content Providers(s):CDC/ Dr. Ed Ewing
Creation Date:1976
Photo Credit:
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.