sympathetic nervous system

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Noun

sympathetic nervous system (plural sympathetic nervous systems)

1. (neuroanatomy) The part of the autonomic nervous system that raises blood pressure and heart rate, constricts blood vessels, and dilates the pupils when under stress.

Related terms

• antisympathetic
• parasympathetic nervous system
• sympathectomy

Translations

• French: système nerveux orthosympathique
• Portuguese: sistema nervoso simpático
• Russian: симпатическая нервная систе́ма
• Spanish: sistema nervioso simpático

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