Solitary NucleusVisceral AfferentsAfferent PathwaysExcitatory Postsynaptic PotentialsRats, Sprague-DawleyNeuronsElectric StimulationCell NucleusTasteMedulla OblongataBrain StemSolitary Pulmonary NoduleArea PostremaGlossopharyngeal NerveParaventricular Hypothalamic NucleusProto-Oncogene Proteins c-fosChorda Tympani NerveVagus NerveArcuate NucleusSolitary Fibrous Tumor, Pleural