腰神经前根主要是躯体神经和一些自主神经（交感神经和副交感神经）混合而成的传出神经，其中一条在此手术中用作供体。
The lumbar ventral spinal roots, one of which is used in this procedure as donor, are mixed nerves with predominant somatic and some autonomic (sympathetic and parasympathetic) outflow.
腰神经前根主要是躯体神经和一些自主神经（交感神经和副交感神经）混合而成的传出神经，其中一条在此手术中用作供体。
The lumbar ventral spinal roots, one of which is used in this procedure as donor, are mixed nerves with predominant somatic and some autonomic (sympathetic and parasympathetic) outflow.
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