Anatomy
Small finger side (ulnar) of nearer (proximal) row of carpal bones, pea-shaped. Articulates up and in with triquetral. Attachments; transverse carpal ligament, flexor carpi ulnaris, abductor digiti quinti.
Sesamoid bone (a bone inside a tendon that passes over a joint, protecting it and providing effective load transmission) in ulnar collateral ligament.
Clinical
The wrist is the articulation of the radius and the scaphoid and lunate carpal bones.
Vignette
Psium (Latin); pea.
Carpus (Latin); wrist.
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