前根是连于脊髓前外侧沟，由运动性神经根丝构成。
... anterior pituitary 前垂体 anterior root; ventral root 腹根；前根 anterior somite 前体节 ...
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The diameters were 3.6 and 2.6mm separately. The diameters of all ventral roots were thin(1.5、1.6、1.6、1.5、1.2mm).
前根直径均较细（1.5、1.6、1.6、1.5、1.2mm）。
参考来源 - 椎管内修复臂丛神经损伤的应用解剖学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结论：前根撕脱延期再植回能促进脊髓前角运动神经元的存活与再生。
Conclusions: Delayed reimplantation of avulsion ventral root can enhance motoneuron survival and regeneration.
骶神经前根也是躯体神经和自主神经混合传出神经，其中一条在本手术中用作受体。
The sacral ventral spinal roots, one of which is used in this procedure as recipient, are also mixed nerves with somatic and autonomic outflow.
采用SDS凝胶电泳方法从人脊神经前根中分离出运动神经元特有的蛋白组份190 KD蛋白。
The 190kd protein of motor nerve was isolated from the anterior roots of human spinal cord by the SDS-PAGE.
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