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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，因其斜行走向而得名桡骨斜线；该线为指浅屈肌和拇长屈肌提供起点；斜线上方的面为旋后肌部分肌纤维提供止点。
掌侧缘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，并提供腕背侧韧带的附着；该缘末端为一小结节，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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