| 单词 | parasympathetic nervous system |
| 释义 | parasympathetic nervous system【医】 副交感神经系统 parasympathetic nervous system parasympathetic nervous system n.（名词）The part of the autonomic nervous system originating in the brain stem and the lower part of the spinal cord that, in general, inhibits or opposes the physiological effects of the sympathetic nervous system, as in tending to stimulate digestive secretions, slow the heart, constrict the pupils, and dilate blood vessels.副交感神经系统：源于脑干和脊髓下部的植物性神经系统的一部分，总体来说它抑制交感神经系统刺激消化分泌物、降低心率、收缩瞳孔和扩张血管等交感神经系统的生理作用 |
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