Title : Sympathectomy inhibits the vasoactive effects of nicotine in conscious rats.

Pub. Date : 1999 Apr

PMID : 10435011

1 Functional Relationships(s)
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1 CONCLUSIONS: We conclude that in the conscious rat; (1) the pressor response to nicotine mainly depends on peripheral alpha-adrenergically-mediated vasoconstriction; (2) the vasomotor effect is caused by neural rather than adrenomedullary catecholamine release; (3) the nicotine-induced increase in heart rate (and presumably cardiac output) is per se unable to raise blood pressure, and (4) the nicotine-induced release of vasopressin plays no significant role in the pressor response. Nicotine arginine vasopressin Rattus norvegicus