Distal phalanx [Unguicular bone, Ungual bone] - Phalanx distalis [Os unguiculare, Os ungulare]

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General terms > Osteology > Skeleton appendiculare > Bones of thoracic limb > Skeleton of hand > Digital bones of hand > Distal phalanx [Unguicular bone, Ungual bone]

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The distal (third) phalanx differs between species to conform to the hoof or to the claw that encloses it. They have in common an articular facet, a parietal surface and a solar surface.

In carnivores, the distal phalanx shows a hook-like appearance and is laterally compressed and drawn out to a sharp point, which is covered by the horny claw.

Text by Antoine Micheau, MD - Copyright IMAIOS


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