COLIN CUTHBERT / SCIENCE PHOTO LIBRARY COLIN CUTHBERT / SCIENCE PHOTO LIBRARY
Femoral bone. Donated head of a femur (thigh bone) in a freezer. It was removed during an operation to replace a patient's hip. It can be used in bone graft surgery, normally to reconstruct bones that are damaged through disease or injury. This bone tissue is stored at around -80 degrees Celsius. It will last for up to five years. Photographed at a National Blood Service tissue bank, Newcastle, England.
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