The bone of the upper arm. It has a rounded head, which helps to form the shoulder-joint, and at its lower end presents a wide pulley-like surface for union with the radius and ulna. Its epicondyles form the prominences at the sides of the elbow.
| 单词 | Humerus |
| 释义 | The bone of the upper arm. It has a rounded head, which helps to form the shoulder-joint, and at its lower end presents a wide pulley-like surface for union with the radius and ulna. Its epicondyles form the prominences at the sides of the elbow. |
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