Calcium SignalingOscillometryCalciumCalcium ChannelsCircadian RhythmPeriodicityBiological ClocksInositol 1,4,5-Trisphosphate ReceptorsInositol 1,4,5-TrisphosphateThimerosalThapsigarginCalcium, DietaryModels, BiologicalCytosolSperm-Ovum InteractionsBoron CompoundsFura-2NeuronsCytophotometryCells, CulturedIntracellular FluidFertilizationMembrane PotentialsUrochordataTime FactorsPurinergic AgonistsEstrenesOocytesCalcium CarbonateAequorinEgtazic AcidCaffeineKineticsPyrrolidinonesPurinergic AntagonistsRyanodineType C PhospholipasesRats, Sprague-DawleyTheta RhythmPhosphoinositide Phospholipase CCalcium PhosphatesMicroscopy, FluorescenceSpermatozoaCalcium IsotopesFluorescent DyesMicroinjectionsElectrophysiologyCholecystokininEndoplasmic ReticulumMicroscopy, ConfocalRyanodine Receptor Calcium Release ChannelCalcium ChlorideRats, WistarAstrocytesTerpenesVasopressinsBrain WavesTetracainePatch-Clamp TechniquesCarbacholCalcium Channels, L-TypeSignal TransductionHippocampusPhenylephrineReceptors, Cytoplasmic and NuclearCalcium Channel BlockersParthenogenesisTetrodotoxinEnzyme InhibitorsBiophysicsKetamineElectroencephalographyComputer SimulationDose-Response Relationship, DrugAdenosine TriphosphateOvumGap JunctionsCalcium OxalateGlutamic AcidPancreasCell LineBiophysical PhenomenaCalcium GluconateCalcium-Transporting ATPasesEl Nino-Southern OscillationPhotoperiodIslets of LangerhansNFATC Transcription FactorsCalcium RadioisotopesBeta RhythmCytoplasmIndolesPeriod Circadian ProteinsGonadotropin-Releasing HormoneCortical SynchronizationChest Wall OscillationAction PotentialsDarknessSarcoplasmic ReticulumLight