Fig. 3

Remodeling of the PCL/PDO graft at 12 weeks after implantation compared with native aorta. Top and bottom rows show the native vessel and PCL/PDO graft, respectively. A and F H&E staining. B and G Masson’s trichrome staining reveals collagen in the explanted graft and native aorta. C and H Safranin O staining. D and I Verhoeff-Van Gieson staining. E and J Orcein staining for Elastic fibers. Scale bars: top row, 200 μm (inset, 20 μm); bottom row, 500 μm (inset, 20 μm). L = lumen