patella

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patella

bone

Also known as: kneecap

Learn about this topic in these articles:

knee

In knee
…the femur; the kneecap, or patella, rests upon the ends of the femur and serves to prevent the tibia from moving too far forward when the leg is bent. The articulating (meeting) surfaces of the femur and tibia condyles are very smooth and are separated by a slight gap. The…
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