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A vein sample, stained with Movat pentachrome, with a very eccentric neointimal layer. A lower power image is on the left (A) and a higher power image (B) of a section of the same vein is shown on the right that was obtained from the vessel area indicated by the black outline in (A). This sample had a large component of collagen (yellow staining) in the neointimal and adventitial layers with very little proteoglycan content (blue staining).
