中ちゅう手しゅ骨こつちゅうしゅこつMeanings1nounmetacarpal bone; metacarpusanatomyAnatomical term for the bones of the palm, between the wrist and fingers.中ちゅう手しゅ骨こつは手てのひらにある5本ほんの細ほそ長ながい骨ほねです。The metacarpal bones are the five long bones in the palm of the hand.
