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[桡骨]前缘
Margo anterior radii
定义
前缘（掌侧缘）自上方粗隆的下部延伸至下方茎突基底的前部，将掌侧面与外侧面分隔开。
其上三分之一部分隆起明显，因其斜行方向而被称为桡骨斜线；该线为指浅屈肌和拇长屈肌提供起点；斜线上方的骨面为旋后肌的部分纤维提供止点。
掌侧缘的中三分之一部分不明显，呈圆钝状。
下四分之一部分隆起，为旋前方肌提供止点，并附着腕背侧韧带；其末端为一小结节，肱桡肌的肌腱止于此处。
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/).
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