Dura MaterPia MaterParietal BoneArachnoidMeningeal ArteriesCranial SuturesMeningesSumatriptanCraniotomyLaminectomyTrigeminal NerveEpidural SpaceSubarachnoid SpaceCerebrospinal Fluid RhinorrheaCreutzfeldt-Jakob SyndromeCraniosynostosesSkullMeningiomaMeningeal NeoplasmsSkull BaseTissue TransplantationHematoma, SubduralFrontal BoneForamen MagnumNeurosurgical ProceduresPneumocephalusSpinal CanalCalcitonin Gene-Related PeptideScalpIsoindolesMagnetic Resonance ImagingCadaverMeningitisTrigeminal GanglionTrigeminal Nucleus, SpinalLongitudinal LigamentsPolytetrafluoroethyleneLigamentum FlavumBrainMigraine DisordersSpinal Cord CompressionParticulate MatterMyelography