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3D printed anatomical design strategies. (A) 3D printed tri-leaflet heart valve [181]. (B) 3D printed anatomical nerve regeneration pathway [64]. (C) 3D printed vascularized bone architectures [182]. (D) 3D printed biomimetic artificial skin (green scale bar is 200 μm) [183]. Reprinted with permission from Refs. [181], [64], [182], [183] respectively. Copyright 2014 Elsevier, 2015 John Wiley & Sons, 2014 John Wiley & Sons.
