Figure 4From: In vitro characterization of a chitosan skin regenerating template as a scaffold for cells cultivation SEM micrograph of a 3-D culture of HDF into chitosan on day 14. Chitosan scaffold without cells. Scale bar 200 μm (A). Fibroblast proliferation into the chitosan. Scale bar 4 μm (B). Fibroblasts covering the pores. Scale bar 200 μm (C). Cross section. Scale bar 200 μm (D).Back to article page