Distal Articular Facet of Proximal Phalanx of Ring Finger
Facies articularis distalis phalangis proximalis digiti anularis
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The distal articular facet of the proximal phalanx of the ring finger is the pulley-shaped, inferior area of its head. It articulates with the proximal articular facet of the middle phalanx of the ring finger, forming the proximal interphalangeal joint of the ring finger.