Deep transverse metacarpal ligament


The deep transverse metacarpal ligament is a narrow fibrous band which runs across the palmar surfaces of the heads of the second, third, fourth and fifth metacarpal bones, connecting them together.
It is blended with the palmar metacarpophalangeal ligaments.
Its palmar surface is concave where the flexor tendons pass over it; behind it the tendons of the interosseous muscles of the hand pass to their insertions.

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