MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY
Bone bank screening. Hands holding a frozen femur (thigh) bone and an X-ray of the bone. Bone is a commonly transplanted tissue, second only to blood. Bone tissue is donated both after death and from patients undergoing joint replacement surgery and other bone operations. The donor and bone are carefully screened for disease to ensure the bone is healthy. Bone is frozen at low temperatures and will last for up to five years. The bone is used in several ways. It is often ground up and used to replace diseased bone and fill the spaces around a joint replacement. Whole bones can be transplanted for patients with bone cancer. Photographed in the Rizzoli Institute, Bologna, Italy.
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