Wrist

In human anatomy, the wrist is the flexible and narrower connection between the forearm and the hand.

Synovial membrane

The synovial membrane lines the deep surfaces of the ligaments above described, extending from the margin of the lower end of the radius and articular disk above to the margins of the articular surfaces of the carpal bones below. It is loose and lax, and presents numerous folds, especially behind.

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The wrist-joint is covered anteriorly by the flexor tendons and posteriorly by the extensor tendons. The arteries supplying the joint are the volar and dorsal carpal branches of the radial and ulnar, the volar and dorsal metacarpals, and some ascending branches from the deep volar arch. The nerves are derived from the ulnar and dorsal interosseous.

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