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A geometrical model of the hierarchical structure of the aorta. In particular: (A) Native aorta; (B) CAD model of the aorta construct, based on the real anatomical dimensions of the aorta; (C) Printing pathway. In (B) the three layers of the native aorta are identified: in red the intima layer, in blue the media layer, and in green the adventitia layer, whereas in (C) the latter is in blue as well. (Scale bar = 10 mm).
