The crossword solution for the term DONOR BONE is ADAM, which stands for Autologous Donor Osteochondral Mosaicplasty. This is a surgical procedure used to treat cartilage damage in joints, such as the knee or ankle. It involves taking healthy cartilage from a donor site on the patient's own body and transplanting it to the damaged area. This procedure has been found to be successful in restoring joint function and reducing pain.