NeuropeptidesNeurotransmitter AgentsSubstance PFMRFamideNeurotransmitter Transport ProteinsNeuropeptide YVasoactive Intestinal PeptideCalcitonin Gene-Related PeptideReceptors, NeurotransmitterNeuronsPlasma Membrane Neurotransmitter Transport ProteinsReceptors, NeuropeptideSynaptic TransmissionInvertebrate HormonesGalaninSynaptic VesiclesTachykininsGlutamic AcidHypothalamusgamma-Aminobutyric AcidNeurosecretory SystemsPresynaptic TerminalsNerve Tissue ProteinsBrachyuraBrainSynapsesSerotoninNeurokinin APituitary Adenylate Cyclase-Activating PolypeptideCapsaicinEnkephalin, MethionineDynorphinsAplysiaPyrrolidonecarboxylic AcidRats, Sprague-DawleyDopamineSomatostatinMolecular Sequence DataExocytosisAmino Acid SequenceNeurotensinCalciumAgouti-Related ProteinProtein PrecursorsSynapsinsElectric StimulationNeurokinin BNeuroimmunomodulationGastrin-Releasing PeptideAcetylcholineReceptors, Neurokinin-1EnkephalinsMoltingPeptide PHIGABA Plasma Membrane Transport ProteinsSynaptotagmin INeuromuscular JunctionImmunohistochemistryOrexin ReceptorsBrain ChemistryPro-OpiomelanocortinReceptors, Neuropeptide YCorticotropin-Releasing HormoneNeurogenic InflammationGangliaSecretogranin IIPatch-Clamp TechniquesHippocampusNeurons, AfferentCells, CulturedEndorphinsBombesinExcitatory Postsynaptic PotentialsHypothalamic HormonesOxytocinCholecystokininNorepinephrineVasotocinNerve EndingsRats, WistarGanglia, InvertebrateSynaptosomal-Associated Protein 25Dose-Response Relationship, DrugElectrophysiologySynaptosomesSynaptotagminsSecretory VesiclesArthropod ProteinsSignal TransductionReceptors, TachykininLymnaeaCholine O-AcetyltransferaseInsect HormonesCentral Nervous SystemEnkephalin, LeucineReceptors, G-Protein-CoupledRNA, MessengerTyrosine 3-MonooxygenaseArcuate NucleusPeptides