umls-concept:C0223736 | skos:definition | NCI: A carpal bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals. (NCI),NCI: A carpal bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals.,MSH: A carpal bone adjacent to the TRAPEZOID BONE. | lld:umls |