Sympathoinhibitory effects of clonidine are transmitted by the caudal ventrolateral medulla in cats.


We examined mechanisms of the central sympathoinhibitory actions of systemically administered clonidine in anesthetized cats. To avoid influences of sympathetic chemo- and baroreflexes, the animals were deafferentated by cutting the carotid sinus and vagal nerves bilaterally. Intravenous (i.v.) injections of clonidine (25-250 nmol/kg) caused significant (50… (More)


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