Skeletal System
Proximal Articular Facet of Fifth Metacarpal Bone
Facies articularis proximalis ossis quinti metacarpi
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The proximal articular facet is the saddle-shaped area found on the superior aspect of the base of fifth metacarpal bone. It articulates with the fifth metacarpal articular facet of the hamate bone, contributing to the formation of the carpometacarpal joints.