A Comparison of Conventional Collagen Sponge and Collagen-Gelatin Sponge in Wound Healing

Figure 5

Light micrographs (Azan staining) of the wounds at 2 weeks after implantation. The wounds of the CS-NSS (a), CGS-NSS (b), CS-bFGF (c), and CGS-bFGF (d) groups. The area surrounded with black line shows newly formed dermis-like tissue. Scale bar: 500 μm.

(a)

(b)

(c)

(d)