Methods: Posterior branch of spinal nerve was refrigerated by transcutaneous paracentesis.

方法: 经皮穿刺到脊神经后支,对神经分支施行深部冷冻.

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Each spinal nerve is attached to the spinal cord by a sensory and a motor root.

每一脊神经都以感觉纤维(背侧根)和运动纤维(腹侧根)连接于脊髓上.

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Each spinal nerve is attached to the spinal cord a sensory and a motor root.

都以感觉纤维(背侧根)和运动纤维(腹侧根)连接于脊髓上.

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Objective To observe the effect on spinal nerve cell of rat embryo by plating acrylonitrile ( ACN ).

目的研究丙烯腈 ( ACN ) 对大鼠胚胎脊髓神经细胞增殖分化的影响.

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Method and Results 31 patients under para spinal nerve block were observed.

方法对31例疼痛患者施行椎旁神经阻滞疗法,观察其效果.

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