Figure 3.

Reconstitution of new epithelium of porcine full-thickness wounds. X-Gal staining to demonstrate lacZ expression. (A) LacZ keratinocytes are first seen in clusters on the bottom of the wounds on day 4, (B) having migrated upward on day 6, and (C) are present in all layers of the epithelium by day 8. (Reprinted with permission from Vogt et al.⁶⁰) To see this illustration in color, the reader is referred to the web version of this article at www.liebertpub.com/wound