<Dt> Split - thickness </Dt> <P> A split - thickness skin graft (STSG) is a skin graft including the epidermis and part of the dermis . Its thickness depends on the donor site and the needs of the person receiving the graft . It can be processed through a skin mesher which makes apertures onto the graft, allowing it to expand up to nine times its size . Split - thickness grafts are frequently used as they can cover large areas and the rate of autorejection is low . The same site can be harvested again after six weeks . The donor site heals by re-epithelialisation from the dermis and surrounding skin and requires dressings . </P> <Dl> <Dt> Full - thickness </Dt> </Dl> <Dt> Full - thickness </Dt>

How long does it take for a skin graph to heal