桡骨颈
Collum radii
定义
头部支撑于一个圆形、光滑且收缩的部分上，称为颈，其背侧有一轻微的嵴，供旋后肌的部分肌纤维附着。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
