Patella. The bone that sits over the other bones at the front of the knee joint and slides when the leg moves. Commonly referred to as the kneecap, the patella protects the knee and gives leverage to muscles.

Source: NIAMS (NIH)1

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Patella: The flat, triangular bone situated at the anterior part of the Knee.2

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Patella: A small flat triangular bone in front of the knee that articulates with the femur and protects the knee joint.3

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Category of Patella:


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  1. Source: NIAMS (NIH): Health_Info/ Knee_Problems/ default.asp
  2. Source: MeSH (U.S. National Library of Medicine)
  3. Source: NCI Thesaurus
  4. ibid.

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