Skeletal System
Proximal Articular Facet of First Metacarpal Bone
Facies articularis proximalis ossis primi metacarpi
Read moreDescription
The proximal articular facet of the first metacarpal bone is the saddle-shaped, superior area of its base. It articulates with the first metacarpal articular facet of the trapezium bone, contributing to the formation of the carpometacarpal joints.
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First Metacarpal Bone
They are commonly found adjacent to the distal portion of the first metacarpal bone of the forelimb within the adductor pollicis and abductor pollicis brevis tendons, as well as adjacent to the first metatarsal bone of the hind limb within the flexor hallucis brevis tendon.
