解剖学的階層

一般解剖学 > 骨、骨格系 > 種子骨

翻訳

説明

A sesamoid bone is a bone embedded within a tendon.

Sesamoid bones can be found on joints throughout the body, including:

  • In the knee — the patella (within the quadriceps tendon).
  • In the hand — two sesamoid bones are commonly found in the distal portions of the first metacarpal bone (within the tendons ofadductor pollicis and flexor pollicis brevis). There is also commonly a sesamoid bone in distal portions of the second metacarpal bone.
  • In the wrist - The pisiform of the wrist is a sesamoid bone (within the tendon of flexor carpi ulnaris).
  • In the foot - the first metatarsal bone usually has two sesamoid bones at its connection to the big toe (both within the tendon offlexor hallucis brevis). In some people, only a single sesamoid is found on the first MTP.

This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org

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