peronarthrosis

peronarthrosis
pero·nar·thro·sis (per″o-nahr-throґsis) [Gr. peronē anything pointed for piercing or pinning + arthrosis] an articulation in which the surfaces are convex in one direction and concave in the other.

Peronarthrosis: metacarpophalangeal joint of the thumb (box).


Medical dictionary. 2011.

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