Choline KinaseCholine O-AcetyltransferaseCholine DeficiencyHemicholinium 3BetaineCytidine Diphosphate CholineCholine DehydrogenasePhosphatidylcholinesPhosphorylcholinePhosphatidylethanolamine N-MethyltransferaseGlycerylphosphorylcholineEthanolamineLipotropic AgentsDeanolAcetylcholineSarcosinePhospholipidsEthanolaminesCreatineMagnetic Resonance SpectroscopyPhosphatidylethanolaminesMethionineInositolCholine-Phosphate CytidylyltransferaseCholinergic FibersAcetylcholinesteraseVesicular Acetylcholine Transport ProteinsBetaine-Aldehyde DehydrogenaseDiacylglycerol CholinephosphotransferaseNootropic AgentsKineticsThiocholineAspartic AcidSodiumCholinergic AgentsAmino AlcoholsMembrane Transport ProteinsDietLysophosphatidylcholinesLiverBrainBiological TransportMolecular Sequence DataPhysostigmineTritiumSphingomyelinsCarbon RadioisotopesBetaine-Homocysteine S-MethyltransferasePlasmalogensParasympathetic Nervous SystemTime FactorsCholinergic NeuronsAmino Acid SequencePhospholipase DNucleotidyltransferasesPhospholipasesLithiumChromatography, Thin LayerBiological Transport, ActiveNutritional RequirementsSeptum of BrainEthanolaminephosphotransferaseOrganic Cation Transport ProteinsPotassiumPhosphotransferasesFolic AcidArthrobacterReceptors, NicotinicProtonsHomocysteineAlcohol OxidoreductasesNeuronsFolic Acid DeficiencyCholinesterase InhibitorsRats, Sprague-DawleyRats, Inbred StrainsCarbon IsotopesSynaptosomesDiglyceridesQuaternary Ammonium CompoundsPlasma Membrane Neurotransmitter Transport ProteinsDose-Response Relationship, DrugCytidine DiphosphatePregnancyMutationOuabainCell MembraneSubstantia InnominataCells, CulturedCalciumNicotinic AntagonistsMethyltransferasesDietary SupplementsCloning, MolecularS-AdenosylmethionineCholinesterasesHydrogen-Ion ConcentrationGanglia, AutonomicPhosphatidic AcidsBrain Chemistry