sympathetic nervous system
US /ˌsɪm.pəˈθet.ɪk ˈnɜːr.vəs ˌsɪs.təm/
UK /ˌsɪm.pəˈθet.ɪk ˈnɜːr.vəs ˌsɪs.təm/
1.
交感神経系
the part of the autonomic nervous system that prepares the body for stress by increasing heart rate, blood pressure, and respiration, and by diverting blood flow to the muscles
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The sympathetic nervous system is responsible for the 'fight or flight' response.
交感神経系は「闘争・逃走」反応を司る。
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Activation of the sympathetic nervous system can lead to increased alertness.
交感神経系の活性化は覚醒度の増加につながる可能性がある。