| 释义 |
radial head radial headthe most proximal aspect of the radius bone. This area is mobile within the anular ligament and allows pronation and supination of the forearm. See also: elbow. ra·di·al head (rā'dē-ăl hed) The most proximal aspect of the radius bone. This area is mobile within the anular ligament and allows pronation and supination of the forearm. |