Morning Edition, March 22, 2007 · Transplant surgery used to mean kidneys and livers and hearts. But today, these aren't the only body parts finding a new home. Surgeons are using transplanted tendons and
cartilage to rebuild damaged knees, and harvesting bone to shore up aching backs. Two decades ago, these "musculoskeletal" transplants were rare. Now they're used on more than a million patients...