Fourth Metacarpal Articular Facet of Third Metacarpal Bone
Facies articularis metacarpi quarti ossis tertii metacarpi
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The fourth metacarpal articular facet is the convex area found on the medial aspect of the base of third metacarpal bone. It consists of two oval facets, which articulate with the third metacarpal articular facet of the fourth metacarpal bone, contributing to the formation of the intermetacarpal joints.