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Fluorescent microscopy images showing fibroblast distribution (top, scale bar 500 μm) and morphology (bottom, scale bar 25 μm) at day 7, in response to invasion direction through the scaffold: (a, d) x-axis invasion, low dc, (b, e) z-axis invasion, low dc, (c, f) z-axis invasion, high dc. Color images available online at www.liebertpub.com/tec
