Fourth metacarpal bone

Fourth metacarpal bone

Infobox Bone
Name = Fourth metacarpal bone
Latin = ossa metacarpalia IV
GraySubject = 55
GrayPage = 228


Caption = The fourth metacarpal. (Left.)



Caption2 = A fractured right hand fourth metacarpal
Origins =
Insertions =
Articulations =
MeshName = Metacarpal+Bones
MeshNumber = A02.835.232.087.319.550

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.

ee also

* Metacarpus
* First metacarpal bone
* Second metacarpal bone
* Third metacarpal bone
* Fifth metacarpal bone


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  • splint bone — noun a rudimentary metacarpal or metatarsal bone on either side of the cannon bone in the leg of a horse or related animal • Hypernyms: ↑bone, ↑os * * * noun 1. : one of the rudimentary metacarpal or metatarsal bones resembling a splint on either …   Useful english dictionary

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