metacarpal (bones) [I–V]
five long bones (numbered I–V, beginning with the bone on the radial or thumb side) forming the skeleton of the metacarpus or palm; they articulate with the bones of the distal row of the carpus and with the five proximal phalanges.
Synonym(s): ossa metacarpiTA, ossa metacarpalia I–V
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Examples: glitazone, GI cocktail, etc.