PETER GARDINER / SCIENCE PHOTO LIBRARY PETER GARDINER / SCIENCE PHOTO LIBRARY
Knee arthroscopy. Artwork of an arthroscope being used to look inside the knee. The knee is the largest joint in the body. The smaller fibula (left of tibia) is also seen. The kneecap (patella, centre) lies over the lower part of the femur. An arthroscope is an endoscope used to look at joints.
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