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Cytoskeleton of cells grown on (a, d, g) pure TPU scaffolds, (b, e, h) TPU/PGS 6:2 scaffolds, and (c, f, i) TPU/PGS 6:4 scaffolds after culturing for 3 days (the first row), 6 days (the second row), and 9 days (the third row), respectively.
