上段胸髓位于A.胸椎B.与相应的椎骨平面相差1节C.与相应的椎骨平面相差2节D.与相应的椎骨平面相差3节E.胸椎与腰椎

作者: rantiku 人气: - 评论: 0
问题 上段胸髓位于
选项 A.胸椎 B.与相应的椎骨平面相差1节 C.与相应的椎骨平面相差2节 D.与相应的椎骨平面相差3节 E.胸椎与腰椎
答案 C
解析 :上颈髓节段(C)与同序数的颈椎节段相对应;下颈髓(C)和上胸髓节段(T)高出相应椎体约1个椎体;中段胸髓(T)高出相应椎体约2个椎体;下段胸髓(T)高出相应椎体约3个椎体;腰髓与胸椎体相对应;骶髓相当与脊髓圆锥处与腰,椎体相对应。

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