Carotid SinusReflexCarotid ArteriesPressoreceptorsCarotid StenosisCarotid Artery DiseasesCarotid BodySyncopeEndarterectomy, CarotidCarotid Artery, InternalReflex, AbnormalChemoreceptor CellsMassageReflex, StretchCarotid Artery, CommonCranial SinusesMaxillary SinusSinus of ValsalvaCavernous SinusParanasal SinusesCarotid Artery, ExternalBlood PressureDenervationBaroreflexDogsVagotomyFrontal SinusVagus NerveSphenoid SinusParanasal Sinus DiseasesTilt-Table Test