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[桡骨]后缘
Margo posterior radii
定义
后缘（背侧缘）上方起自颈部后面，下方止于茎突根部后部；它将骨的后面与外侧面分隔开。此缘在上、下两端不明显，但在骨的中间三分之一处清晰可辨。
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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