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Scaphoid bone
The scaphoid bone (from the Greek ''scaphoides'', boat-shaped) is one of the carpal bones of the wrist. It is situated between the hand and forearm on the thumb side of the wrist (also called the lateral or radial side). It forms the radial border of the carpal tunnel. The scaphoid bone is the largest bone of the proximal row of wrist bones, its long axis being from above downward, lateralward, and forward. It is approximately the size and shape of a medium cashew.
==Structure==
The scaphoid is situated between the proximal and distal rows of carpal bones. It is located on the radial side of the wrist, and articulates with the radius, lunate, trapezoid, trapezium and capitate. Over 80% of the bone is covered in articular cartilage.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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