DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Excised wrist bone fragments. These fragments have been excised from a patient's wrist during a trapeziumectomy, an operation to remove the trapezium bone from the wrist. The wrist was badly swollen, and the operation may have removing fragments of broken bone, or bone and joint material that had degenerated.
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