page_title: Fourth metacarpal bone
hierarchical_section_title: Fourth metacarpal bone
caption_attribution_description: English: Fourth metacarpal bone (shown in red). 日本語: 第四中手骨（だいよん ちゅうしゅこつ）。赤色で示す。
context_page_description: The fourth metacarpal bone 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.
context_section_description: 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.
caption: Fourth metacarpal of the left hand (shown in red). Palmar view.
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