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va·so·va·gal .vā-zō-'vā-gəl adj of, relating to, or involving both vascular and vagal factors <a \vasovagal reaction>
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adj.
relating to the action of impulses in the vagus nerve on the circulation. The vagus reduces the rate at which the heart beats, and so lowers its output.
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vaso·va·gal (va″zo-) (vas″o-vaґgəl) vascular and vagal; see vasovagal syncope, under syncope.Medical dictionary. 2011.