| 单词 | sympathetic nervous system |
| 释义 | sympathetic nervous system【医】 交感神经系统 sympathetic nervous system sympathetic nervous system n.Anatomy （名词）【解剖学】 The part of the autonomic nervous system originating in the thoracic and lumbar regions of the spinal cord that in general inhibits or opposes the physiological effects of the parasympathetic nervous system, as in tending to reduce digestive secretions, speeding up the heart, and contracting blood vessels.交感神经系统：自主神经系统的一部分，始于脊柱的胸部与腰部，主要阻止或对抗副交感神经的生理作用，如减少消化液的分泌、加速心跳及使血管收缩 |
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