| pisiform | <anatomy> A small bone on the ulnar side of the carpus in man and many mammals. Source: Websters Dictionary (01 Mar 1998) |
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| pisiform bone | A small bone resembling a pea in size and shape, in the proximal row of the carpus, lying on the anterior surface of the triquetral with which alone it articulates; it gives insertion to the tendon of the flexor carpi ulnaris muscle. Synonym: os pisiforme, lentiform bone. (05 Mar 2000) |
| articulation of pisiform bone | The synovial joint between the pisiform and triquetrum; it is separate from the other intercarpal joints. Synonym: articulatio ossis pisiformis, articulation of pisiform bone. (05 Mar 2000) |
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