InvertebratesGangliaRetinal Ganglion CellsGanglia, SpinalBasal GangliaGanglia, SympatheticGanglia, AutonomicTrigeminal GanglionGanglia, ParasympatheticGanglia, SensoryGanglia, InvertebrateStellate GanglionSpiral GanglionNodose GanglionVertebratesSuperior Cervical GanglionMolluscaNeuronsBasal Ganglia DiseasesRetinaCrustaceaMolecular Sequence DataGeniculate GanglionEchinodermataUrochordataChordata, NonvertebrateAxonsAquatic OrganismsAmino Acid SequencePhylogenyPolychaetaAnnelidaNeurons, AfferentBivalviaArthropodsCnidariaPhotoreceptor Cells, InvertebrateCiona intestinalisLeechesBrachyuraAction PotentialsLymnaeaInvertebrate HormonesGastropodaEvolution, MolecularBiological EvolutionInsectsOptic NerveSpecies SpecificityDrosophila melanogasterNephropidaeMarine BiologySea CucumbersAutonomic Fibers, PreganglionicSensory Receptor CellsSequence Homology, Amino AcidAmphipodaOctopamineNerve Tissue ProteinsOligochaetaGene Expression Regulation, DevelopmentalHemocytesEcosystemDrosophila ProteinsLarvaFood ChainCaenorhabditis elegansBase SequenceIn Situ HybridizationSnailsChordataDrosophilaAstacoideaRod OpsinsPoriferaRats, Sprague-DawleyAplysiaCephalopodaSynapsesChick EmbryoSequence AlignmentAmacrine CellsElectrophysiologyTime FactorsNervous SystemOptic Nerve InjuriesBryozoaNerve Growth FactorsGrasshoppersImmunohistochemistryFishesBasal Ganglia HemorrhageMytilusDaphniaMembrane PotentialsThoracicaNeuropeptidesSynaptic TransmissionCell CountHorseshoe Crabs