Synaptic MembranesSynaptosomesCell MembraneSynaptic VesiclesBrainReceptors, NeurotransmitterRats, Inbred StrainsBrain ChemistrySynapsesNerve Tissue ProteinsCerebral CortexKineticsSodiumCalciumAdenosine TriphosphateMolecular WeightHippocampusMembrane LipidsMembranesIntracellular MembranesMembrane PotentialsPlasmaMembranes, ArtificialMembrane FluidityProtein TransportErythrocyte MembraneCell Membrane PermeabilityMicroscopy, ElectronCell LineCell FractionationPlasma Membrane Calcium-Transporting ATPasesEndocytosisMembrane Transport ProteinsBasement MembraneMolecular Sequence DataMembrane GlycoproteinsMembrane ProteinsProtein BindingAmino Acid SequenceGolgi ApparatusMicroscopy, FluorescenceCarrier ProteinsCells, CulturedSubcellular FractionsModels, BiologicalBiological TransportProtein Structure, TertiaryExocytosisEndoplasmic ReticulumMicroscopy, ConfocalRecombinant Fusion ProteinsMutationHydrogen-Ion ConcentrationLipid BilayersEndosomesTime FactorsCholesterolElectrophoresis, Polyacrylamide GelFreeze FracturingPlasma CellsSignal Transduction