Skeletal System
Distal Articular Facet of Third Metacarpal Bone
Facies articularis distalis ossis tertii metacarpi
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The distal articular facet of the third metacarpal bone is the convex, inferior area of its head. It articulates with the proximal articular facet found on the proximal phalanx of the middle finger, forming the third metacarpophalangeal joint.
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Metacarpal Bone
The trapezial angle is defined the complement of the angle formed by the intersection of the line parallel to the trapezial articulation and the line parallel to the long axis of the index metacarpal bone.
