Cardiovascular mechanisms activated by microinjection of baclofen into NTS of conscious rats.


The peripheral mechanisms responsible for pressor response produced by microinjections of baclofen (GABA(B) agonist) into the nucleus tractus solitarii (NTS) of conscious rats were studied. Bilateral microinjections of baclofen (10-1,000 pmol/100 nl) produced a dose-related increase in mean arterial pressure (MAP) and heart rate. The maximal response was… (More)


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