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Scanning electron microscopy (SEM) and white light interferometry (WLI) images of native acellular and cellular scaffolds in aligned (a, e, c, g) and random (b, f, d, h) configurations. After 4 weeks in vitro (e, f, g, h), the fiber networks became distorted due to extracellular matrix deposition (variances in matrix deposition were noted). SEM, scanning electron microscopy; WLI, white light interferometry. Color images available online at www.liebertpub.com/tea
