| os hamatum | The bone on the medial (ulnar) side of the distal row of the carpus; it articulates with the fourth and fifth metacarpal, triquetral, lunate, and capitate. Synonym: os hamatum, hamatum, hooked bone, unciform bone, unciforme, uncinatum. (05 Mar 2000) |
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| hamatum | <anatomy> See Unciform. Origin: NL, fr. L. Hamatus hooked. Source: Websters Dictionary (01 Mar 1998) |
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