DR MARC ELKAIM / ISM / SCIENCE PHOTO LIBRARY DR MARC ELKAIM / ISM / SCIENCE PHOTO LIBRARY
Repaired ruptured knee ligament. Endoscopic image of the interior of a knee joint with a ruptured anterior cruciate ligament (ACL, centre) that has been repaired. The ACL is one of a pair of cruciate ligaments that function to prevent over-rotation and extension of the joint.
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