Figure 4 | Scientific Reports

Figure 4

From: Chondrogenic commitment of human umbilical cord blood-derived mesenchymal stem cells in collagen matrices for cartilage engineering

Figure 4

Scanning electron micrograph (SEM) images of both unseeded and seeded collagen sponge scaffolds.

(A,B) Micrographs of a type I/III collagens sponge without cells (unseeded). (C–F) Micrographs taken in the internal area of a type I/III collagens sponge seeded with hUCB-MSCs during 7 days in incomplete chondrogenic medium. Magnification is shown on the lower left corner. Original magnification ×200 and scale bar: 100 μm. Original magnification ×1200 and scale bar: 10 μm. Original magnification ×4300 and scale bar: 1 μm.

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