Ganglia, ParasympatheticParasympathetic Nervous SystemAcetylcholineNeuronsReceptors, NicotinicNicotinic AntagonistsParasympathetic Fibers, PostganglionicNeurturinVagus NerveHypogastric PlexusGanglia, SympatheticChick EmbryoSynaptic TransmissionHeartNeurons, AfferentPatch-Clamp TechniquesMembrane PotentialsElectrophysiologyVasoactive Intestinal PeptideReceptors, CholinergicAction PotentialsMotor NeuronsSynapsesalpha7 Nicotinic Acetylcholine Receptorgamma-Aminobutyric AcidNerve Growth FactorsExcitatory Postsynaptic PotentialsCells, CulturedCalciumBungarotoxinsTorpedoVesicular Acetylcholine Transport ProteinsReceptors, MuscarinicElectric StimulationNicotinic AgonistsAtropineDopaminergic NeuronsNicotineElectric OrganNeuromuscular JunctionHippocampusCholine O-AcetyltransferaseCholinergic AgentsCholinergic NeuronsPhysostigmineCarbacholTubocurarineGABAergic NeuronsCerebral CortexAxonsDose-Response Relationship, DrugMuscarinic AntagonistsNerve Tissue ProteinsAcetylcholinesteraseMuscarinic AgonistsSensory Receptor CellsGanglia, SpinalRats, WistarCholineBrainSpinal CordDendritesCatsCholinesterase InhibitorsTetrodotoxinDopamineNeural InhibitionTime FactorsAnimals, NewbornReceptor, Muscarinic M2Receptor, Muscarinic M1Cholinergic FibersGuinea PigsOlfactory Receptor NeuronsMusclesIontophoresisRats, Sprague-DawleyVasodilationNeurons, EfferentParasympathomimeticsImmunohistochemistryModels, NeurologicalInterneuronsReceptor, Muscarinic M3MecamylamineMyasthenia GravisVasodilator AgentsNeurotransmitter AgentsNeuropeptidesPyramidal CellsCholinergic AgonistsSerotoninAconitineMotor EndplateMotor Neuron DiseaseGlutamic AcidMesencephalonNitroprussideMice, Inbred C57BLMedulla Oblongata