MesencephalonMetencephalonDiencephalonOtx Transcription FactorsDopamineBrain Tissue TransplantationSubstantia NigraTyrosine 3-MonooxygenaseReceptor, EphA8Fibroblast Growth Factor 8Red NucleusNeuronsFetal Tissue TransplantationBrainDopaminergic NeuronsRhombencephalonNuclear Receptor Subfamily 4, Group A, Member 2Gene Expression Regulation, DevelopmentalSuperior ColliculiWnt1 ProteinChick EmbryoNerve Tissue ProteinsHomeodomain ProteinsBrain StemTelencephalonPonsIn Situ HybridizationProsencephalonOxidopamineCorpus StriatumParkinson DiseaseFibroblast Growth FactorsCerebellumImmunohistochemistryHydroxydopaminesNeural PathwaysBody PatterningTranscription FactorsCentral Nervous SystemZebrafish ProteinsAxonsCell DifferentiationNeural CrestMice, TransgenicPeriaqueductal GrayRats, Sprague-DawleyInferior ColliculiCells, CulturedEmbryonic and Fetal DevelopmentEmbryo, MammalianStem CellsEmbryo, NonmammalianTime FactorsVentral Tegmental AreaWnt ProteinsCatsTegmentum MesencephaliTrans-ActivatorsRNA, MessengerTissue DistributionSpinal CordMice, Inbred C57BLAuditory PathwaysDNA-Binding ProteinsPregnancyMolecular Sequence DataRats, WistarRats, Inbred Strains