Thursday, December 2, 2010

Pterosaur wrist (4)

"The medial aspect of the left preaxial carpal is visible (upper right), whereas the right preaxial carpal somewhat below it presents its lateral aspect.The articular surface for the pteroid (asp) is faintly visible.
Abbreviations: art, articular surface for fovea; asp, articular surface for pteroid; ds, distal syncarpal; mciv, metacarpal IV; pc, preaxial carpal; ps, proximal syncarpal; pt, pteroid; r, radius; str, striations for attachment to its tendon; u, ulna; and sesA, Sesamoid A."

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