first metacarpal bone


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first metacarpal bone

the metacarpal bone of the thumb.
References in periodicals archive ?
The break - at the base of the first metacarpal bone - was discovered by X-rays.
An x-ray yesterday revealed a fractured first metacarpal bone and David O'Meara's stable jockey now plans to visit a hand specialist in Leeds on Friday in the hope of finding a speedy treatment for the injury.
Options for thumb reconstruction are limited when amputations are at the proximal third of the first metacarpal bone.