Bone graft

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According to the U.S. National Library of Medicine, a bone graft "transplants bone tissue. Surgeons use bone grafts to repair and rebuild diseased bones in a person's hips, knees, spine, and sometimes other bones and joints. Grafts can also repair bone loss caused by some types of fractures or cancers. Once the patient's body accepts the bone graft, it provides a framework for growth of new, living bone."

"If the transplanted bone comes from another person, it is called an allograft. Most allograft bone comes from donors who have died. Tissue banks screen these donors and disinfect and test the donated bone to make sure it is safe to use. If the transplanted bone comes from another part of the patient's own body, it is called an autograft. Autograft bone often comes from the ribs, hips or a leg."[1]