Photomicrographs of the skin wound area on the 10th day.

<p>a,b) control group showing wound surface covered by crust and the wound bed is filled with scanty collagen bundles arranged in one direction in the regenerated dermis. The adjacent normal skin showed normal collagen bundles arranged in different directions. c,d) Group II showing wound bed filled with prominent deposition of thin collagen bundles arranged in one direction, parallel to the epidermis in the regenerated dermis. e,f) Group III showing wound bed filled with prominent deposition of collagen bundles arranged parallel to the epidermis within the regenerated dermis. g,h) Group IV showing wound bed filled with prominent deposition of thick collagen bundles in the regenerated dermis arranged parallel to the epidermis. The adjacent normal skin showed normal collagen bundles arranged in different directions. C: crust, D: dermis, B: collagen bundles, thick arrow: junction between the normal skin and the wound area, (Masson's trichrome, a-c-e-g x100; b-d-f-h x400)