An allograft is a type of tissue transplant where the donor tissue comes from a person other than the recipient, typically from a deceased individual. This procedure is commonly used in surgeries involving organs, skin, or bone, helping to repair or replace damaged tissues in patients. Allografts are often used in medical treatments, such as in orthopedic surgeries for joint reconstruction or in burn care to promote healing. The success of an allograft depends on factors like the compatibility between the donor and recipient, as well as the recipient's immune response to the transplanted tissue.