Dura MaterMeningesArachnoidPia MaterParietal BoneMeningeal ArteriesCranial SuturesMeningitisMeningeal NeoplasmsSumatriptanCraniotomySubarachnoid SpaceLaminectomyMeningiomaTrigeminal NerveEpidural SpaceSkullCerebrospinal Fluid RhinorrheaCraniosynostosesCreutzfeldt-Jakob SyndromeSkull BaseTissue TransplantationHematoma, SubduralFrontal BoneForamen MagnumPneumocephalusNeurosurgical ProceduresSpinal CanalMigraine DisordersCalcitonin Gene-Related PeptideScalpIsoindolesTrigeminal GanglionCadaverTrigeminal Nucleus, SpinalLongitudinal LigamentsSpinal CordPolytetrafluoroethyleneLigamentum FlavumMacaca nemestrinaSpinal Cord CompressionBrainMagnetic Resonance ImagingMyelography