来自PIE*el, 肘，前臂，词源同ell, elbow。因尺骨位于肘部而命名。

1. The ulna forms the chief articulation at the elbow.

尺骨是组成肘关节的主要骨骼.

2. Objective To explore the treatment of both ulna and radius fracture.

目的治疗尺桡骨干双骨折.

3. Methods of ulna coracoid process fractures complicated with elbow dislocation were enrolled.

目的分析尺骨冠状突骨折合并肘关节脱位的分型和治疗方法.

4. AINs pass anterior to the ulna.

3%隔指深屈肌走在尺骨的前方.

5. Dominant species comprised Synedra ulna var. oxyrhynchus , Gyrosigma spencerii, Cymbella tumida, Surirella ovata , with the proportion of 13.42 % , 12.56 % , 14.00 % , 9.88 % respectively.

优势种为肘状针杆藻尖喙变种 、 斯氏布纹藻、膨胀桥弯藻和卵形双菱藻等, 它们在各站点中都有分布, 分别占总数的13.42% 、 12.56%、14.00%、9.88%.