Definition of Sesamoid bone
Sesamoid bone: A little bone that is embedded in a joint capsule or tendon. For example, the kneecap (patella) is a sesamoid bone.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=8823
Last Editorial Review: 3/19/2012
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