| Pisiform Bone |
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| skeletal system | |
| wrist | |
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The Pisiform Bone (also called pisiform or '''pisiforme os''' or '''lentiform bone''') is a small knobbly, pea-shaped Wrist bone. The Pisiform Bone is found in the proximal row of the Carpus . It is located where the Ulna (inner bone of the forearm) joins the Carpus (wrist). It articulates only with the Triquetral . It is a Sesamoid Bone . OVERVIEW OF ANATOMY The pisiform bone may be known by its small size, and by its presenting a single articular facet. It is situated on a plane anterior to the other carpal bones and is spheroidal in form. Its ''dorsal surface'' presents a smooth, oval facet, for articulation with the triangular: this facet approaches the superior, but not the inferior border of the bone. The ''volar surface'' is rounded and rough, and gives attachment to the Transverse Carpal Ligament , and to the Flexor Carpi Ulnaris and Abductor Digiti Quinti . The ''lateral'' and ''medial surfaces'' are also rough, the former being concave, the latter usually convex. Articulation The pisiform articulates with ''one'' bone, the triangular. SEE ALSO EXTERNAL LINKS |
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