Previous experiments in this laboratory have shown that microinjection of methyldopa onto the ventrolateral cells of the B3 serotonin neurons in the medulla elicits a hypotensive response mediated by a projection descending into the spinal cord .
O O O O O O O O O O B-ChemicalEntity O O O O O O O B-ChemicalEntity O O O O O O B-DiseaseOrPhenotypicFeature O O O O O O O O O O O