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单词 System,Sympathetic Nervous
释义

System,Sympathetic Nervous


《英文msh词典》System,Sympathetic Nervous
[入口词] System,Sympathetic Nervous
[主题词] Sympathetic Nervous System
[英文释义] The thoracolumbar division of the autonomic nervous system. Sympathetic preganglionic fibers originate in neurons of the intermediolateral column of the spinal cord and project to the paravertebral and prevertebral ganglia,which in turn project to target organs. The sympathetic nervous system mediates the body's response to stressful situations,i.e.,the fight or flight reactions. It often acts reciprocally to the parasympathetic system.
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