Trigeminal Nucleus, SpinalTrigeminal NucleiTrigeminal Caudal NucleusNeuronsTrigeminal NerveNeurons, AfferentCell NucleusVibrissaeFacial PainSumatriptanDihydroergotamineTrigeminal GanglionBrain StemAfferent PathwaysPonsMeningesWheat Germ Agglutinin-Horseradish Peroxidase ConjugateMedulla OblongataMotor NeuronsNociceptorsRats, Sprague-DawleyPhysical StimulationCochlear NucleusAction PotentialsElectric StimulationMasseter MuscleProto-Oncogene Proteins c-fosCentral Nervous System SensitizationStilbamidinesCatsDura MaterMesencephalonCapsaicinVesicular Glutamate Transport Protein 2Substantia GelatinosaDental PulpMechanoreceptorsNerve FibersEvoked PotentialsNeural PathwaysThalamusReceptors, Calcitonin Gene-Related PeptideSpinal CordCortical Spreading DepressionNeural InhibitionSomatosensory CortexImmunohistochemistryMasticatory MusclesAnimals, NewbornElectrophysiologyCalcitonin Gene-Related PeptideNucleus AccumbensJawRats, WistarBrainThalamic NucleiMigraine DisordersTemporomandibular JointPosterior Horn CellsRaphe NucleiTime FactorsSerotonin Receptor AgonistsArcuate NucleusDopaminergic NeuronsParaventricular Hypothalamic NucleusSolitary NucleusCerebellar NucleiSeptal NucleiPatch-Clamp TechniquesGABAergic NeuronsSynapsesCells, CulturedSynaptic TransmissionPainBrain MappingAxonsHippocampusCaudate NucleusSupraoptic NucleusDendritesNerve Tissue Proteinsgamma-Aminobutyric AcidActive Transport, Cell NucleusCerebral CortexGanglia, SpinalSensory Receptor CellsRed NucleusSuprachiasmatic NucleusCholinergic NeuronsDopamineMembrane PotentialsOlfactory Receptor NeuronsNeurons, EfferentModels, NeurologicalSubthalamic NucleusExcitatory Postsynaptic PotentialsOlivary NucleusMotor Neuron DiseaseNeuropeptidesInterneurons