Skeletal System
Proximal Articular Facet of Fourth Metacarpal Bone
Facies articularis proximalis ossis quarti metacarpi
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The proximal articular facet is the quadrilateral area found on the superior aspect of the base of fourth metacarpal bone. It articulates with the fourth metacarpal articular facet of the hamate bone, contributing to the formation of the carpometacarpal joints.