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Revert to revision 64072489 dated 2006-07-16 05:13:03 by Mats Halldin using popups |
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{{Infobox Bone |
Name = {{PAGENAME}} |
Latin = ossa metacarpalia III |
GraySubject = 55 |
GrayPage = 228 |
Image = Gray231.png |
Caption = The third metacarpal. (Left.) |
Image2 = Gray220.png |
Caption2 = Bones of the left hand. Dorsal surface.|
Origins = |
Insertions = |
Articulations = |
MeshName = Metacarpal+Bones |
MeshNumber = A02.835.232.087.319.550 |
}}
The '''third metacarpal bone''' ('''metacarpal bone of the middle finger''') is a little smaller than the second.
The dorsal aspect of its base presents on its radial side a pyramidal eminence, the [[styloid process]], which extends upward behind the [[capitate]]; immediately distal to this is a rough surface for the attachment of the [[extensor carpi radialis brevis muscle]].
The carpal articular facet is concave behind, flat in front, and articulates with the capitate.
On the radial side is a smooth, concave facet for articulation with the [[second metacarpal]], and on the ulnar side two small oval facets for the [[fourth metacarpal]].
==See also==
* [[metacarpus]]
{{Gray's}}
[[Category:Skeletal system]]
[[sv:Tredje metakarpalbenet]]
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