Lymph NodesLymphCranial SinusesMaxillary SinusParanasal SinusesCavernous SinusSinus of ValsalvaCarotid SinusFrontal SinusParanasal Sinus DiseasesSphenoid SinusCoronary SinusSinus Thrombosis, IntracranialSick Sinus SyndromeEthmoid SinusParanasal Sinus NeoplasmsLymphatic MetastasisTachycardia, SinusMaxillary Sinus NeoplasmsPilonidal SinusTransverse SinusesSuperior Sagittal SinusSinoatrial NodeLymphatic SystemSinus Arrest, CardiacCerebral VeinsMesenteryAxillaAtrial FibrillationLymphatic DiseasesHistiocytosis, SinusPetrosal Sinus SamplingNeoplasm StagingTuberculosis, Lymph NodeElectrocardiographyLateral Sinus ThrombosisCardiac Pacing, ArtificialMaxillary SinusitisPrognosisHeart AtriaTreatment OutcomeLymphatic VesselsBradycardiaEndoscopyMediastinumDura MaterCarotid-Cavernous Sinus FistulaNeckMucoceleOtorhinolaryngologic Surgical ProceduresImmunohistochemistryTomography, X-Ray ComputedPacemaker, ArtificialDogsCatheter AblationPressoreceptorsBreast NeoplasmsSpleenHeart Conduction SystemHeart RateTime FactorsSinus PericraniiRhinitisAtrioventricular NodeSyncopeFollow-Up StudiesCentral Nervous System Vascular MalformationsLymphoid TissueElectric CountershockNeoplasm InvasivenessCoronary Vessel AnomaliesLymphocytesHeart BlockSensitivity and SpecificityMice, Inbred C57BLSinoatrial BlockLymphadenitisCarcinoma, Squamous CellNasal PolypsStomach NeoplasmsDendritic CellsAnti-Arrhythmia AgentsAdenocarcinomaMice, Inbred BALB CEthmoid BoneT-LymphocytesMagnetic Resonance ImagingNasal CavityFrontal SinusitisAtrial FlutterLymphographyProspective StudiesArachnoidHistiocytesEndodermal Sinus TumorEthmoid SinusitisCell MovementSheepMelanomaSphenoid Bone