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Glossary Anatomy

Trapezium

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Also known as os trapezium

The most radial bone of the distal carpal row, articulating with the first metacarpal at the trapeziometacarpal joint. Forms the radial wall of the carpal tunnel together with the scaphoid.

Articles mentioning this term

  1. Patient information

    Thumb-base arthritis

    Thumb-base (CMC) arthritis: symptoms, splints, exercises, injections, and how trapeziectomy compares with joint replacement in recovery, strength and risk.

  2. FESSH preparation

    Carpal tunnel syndrome

    Expert review of carpal tunnel syndrome for FESSH candidates and consultant peers — anatomy, diagnosis, AAOS 2024 guideline, surgical controversies, recurrent CTS workup. Vancouver-cited.

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