NeuronsNeurons, AfferentNeurogliaMotor NeuronsDrosophila ProteinsNeural Stem CellsCentral Nervous SystemDrosophilaNeurogenesisNerve Tissue ProteinsNervous SystemGene Expression Regulation, DevelopmentalLateral VentriclesLarvaCell DifferentiationDrosophila melanogasterStem CellsNeuropeptidesBrainAxonsOlfactory BulbAction PotentialsCell LineageOptic Lobe, NonmammalianCells, CulturedAnimals, Genetically ModifiedGlia Maturation FactorImmunohistochemistryNeuroepithelial CellsCerebral CortexCerebral VentriclesDopaminergic NeuronsAnimals, NewbornHippocampusAstrocytesNeuropilGenes, InsectSynapsesJuvenile HormonesEmbryo, NonmammalianPatch-Clamp TechniquesDendritesSpinal CordInterneuronsIn Situ HybridizationGABAergic NeuronsHomeodomain ProteinsTranscription FactorsElectrophysiologyCell MovementCell Countgamma-Aminobutyric AcidGanglia, SpinalProsencephalonSynaptic TransmissionGanglia, InvertebrateSensory Receptor CellsCell PolarityBody PatterningAsymmetric Cell DivisionGrasshoppersSignal TransductionOlfactory Receptor NeuronsTime FactorsGreen Fluorescent ProteinsGlial Fibrillary Acidic ProteinGangliaElectric StimulationBromodeoxyuridineCladoceraMice, Inbred C57BLMice, TransgenicModels, NeurologicalCerebellumMembrane PotentialsCholinergic NeuronsCell DivisionNerve Growth FactorsMutationNeural InhibitionGlutamic AcidRats, WistarPOU Domain FactorsTyrosine 3-MonooxygenaseNeurons, EfferentMotor Neuron DiseaseMushroom BodiesPyramidal CellsNeuritesCaenorhabditis elegans ProteinsGanglia, SympatheticCorpus StriatumMesencephalonCaenorhabditis elegansMedulla OblongataMitosisDopamineExcitatory Postsynaptic PotentialsMice, KnockoutNeocortex