FOURTH METACARPAL BONE

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The 'fourth metacarpal bone' ('metacarpal bone of the ring finger') is shorter and smaller than the third.
The base is small and quadrilateral; its superior surface presents two facets, a large one medially for articulation with the hamate, and a small one laterally for the capitate.
On the radial side are two oval facets, for articulation with the third metacarpal; and on the ulnar side a single concave facet, for the fifth metacarpal.

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See also

See also

★ metacarpus

★ First metacarpal bone

★ Second metacarpal bone

★ Third metacarpal bone

★ Fifth metacarpal bone