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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 parasympathetic nervous system 名詞
 副交感神經體系,副交感神經系(統),副交感神經系統

From: WordNet (r) 2.0

 parasympathetic nervous system
      n : originates in the brain stem and lower part of the spinal
          cord; opposes physiological effects of the sympathetic
          nervous system: stimulates digestive secretions; slows
          the heart; constricts the pupils; dilates blood vessels
          [syn: parasympathetic]