CalciumCa(2+) Mg(2+)-ATPaseCA1 Region, HippocampalCA3 Region, HippocampalCalcium-Transporting ATPasesSarcoplasmic ReticulumEgtazic AcidThapsigarginCalcium Channel BlockersFura-2Sodium-Calcium ExchangerCaffeineCalcium Channels, L-TypePatch-Clamp TechniquesInositol 1,4,5-TrisphosphateCytosolRyanodine Receptor Calcium Release ChannelInositol 1,4,5-Trisphosphate ReceptorsCalmodulinChelating Agents