AnthroposophyNervous System MalformationsEmbryonic StructuresBrucellosis, BovinePeripheral Nervous SystemNerve Growth FactorsHelix-Loop-Helix MotifsBasic Helix-Loop-Helix Transcription FactorsDrosophila ProteinsNerve Tissue ProteinsDrosophilaGene Expression Regulation, DevelopmentalDNA-Binding ProteinsTranscription Factors