Donor skin and dermal grafts are used in several types of loss of substance for different
clinical purposes. As biological physiological medication, donor skin grafts can promote re-
epithelization, shorten healing time, alleviate pain and protect dermal and subcutaneous
structures such as cartilage, tendons, bones and nerves. Though a great variety of dermal
matrices and skin equivalents, both synthetic and semisynthetic, are now available for
wound treatment, viable human skin allografts remain an important therapeutic choice for …