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词汇 sympathetic-nervous-system
语种 英语、汉语、英汉翻译、汉英翻译
释义 sympathetic nervous system
noun[ Cusually singular ]
 anatomy specializeduk /sɪm.pəˌθet.ɪk ˈnɜː.vəs ˌsɪs.təm/ us /sɪm.pəˌθet̬.ɪk ˈnɝː.vəs ˌsɪs.təm/
the part of the nervous system that prepares the body to react in emergency situations, such as by making the heart beat faster:
Stimulants such as caffeine activate our sympathetic nervous system, the fight or flight mechanism.
When we exercise strenuously, we activate our sympathetic nervous system.
Sweating, which is regulated by what's called the sympathetic nervous system, is the body's way of regulating its temperature.
The symptoms are all associated with overstimulation of the sympathetic nervous system, which accelerates heart rate, constricts blood vessels, and raises blood pressure.
Stress activates the sympathetic nervous system, which can stimulate colon spasms, resulting in abdominal discomfort.
SMART Vocabulary: related words and phrases

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neurogenically
neuroglia
neuroglial
reinnervation
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parasympathetic nervous system
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更新时间:2025/7/17 11:24:43