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Radius

From Biology-Online Dictionary | Biology-Online Dictionary
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Radius

One of two bones which constitute the forearm. The largest portion of the radius is at the wrist joint where it articulates with the carpal bones of the hand. Above, the radius articulates with the humerus at the elbow joint. Bony injury (fracture) to the radius occurs most commonly at the wrist. A bone found in the forelimb of vertebrates.