Receptors, PurinergicReceptors, Purinergic P2Purinergic AgonistsReceptors, Purinergic P2XReceptors, Purinergic P2X7Receptors, Purinergic P2Y2Receptors, Purinergic P2Y1Purinergic AntagonistsPurinergic P2X Receptor AntagonistsReceptors, Purinergic P2X3Purinergic P2 Receptor AntagonistsReceptors, Purinergic P2X4Purinergic P2 Receptor AgonistsPurinergic P2X Receptor AgonistsReceptors, Purinergic P2YReceptors, Purinergic P2X2Adenosine TriphosphatePurinergic P2Y Receptor AgonistsSuraminReceptors, Purinergic P2X5Uridine TriphosphatePurinergic AgentsPyridoxal PhosphateApyraseReceptors, Purinergic P2X1Receptors, Purinergic P2Y12Receptors, Purinergic P1Purinergic P2Y Receptor AntagonistsPurinesAdenosineCalciumCalcium SignalingAdenosine DiphosphatePurinergic P1 Receptor AgonistsUrinary BladderSignal TransductionElectric StimulationVas DeferensThionucleotidesPurinergic P1 Receptor AntagonistsSynaptic TransmissionUridine DiphosphateCarbenoxoloneCells, Cultured5'-NucleotidasePrazosinMuscle, SmoothReceptor, Adenosine A1Rats, Sprague-DawleyAdenine NucleotidesNeurotransmitter AgentsType C PhospholipasesMuscle ContractionMembrane PotentialsNucleotidesHypotonic SolutionsRosaniline DyesExtracellular SpaceConnexinsPhenylisopropyladenosinePatch-Clamp TechniquesApaminOlfactory MucosaAstrocytesNorepinephrineGuinea PigsRespiratory CenterEpithelial CellsAutocrine CommunicationDinucleoside PhosphatesNucleotide Transport ProteinsParacrine CommunicationUrotheliumDose-Response Relationship, DrugNeuroeffector JunctionSympathetic Nervous SystemFura-2IsatinHeptanolReceptor, Adenosine A2ATheophyllineGap JunctionsReceptors, AdrenergicSplenic ArteryMice, Inbred C57BLAdenosine A1 Receptor AntagonistsInositol PhosphatesAdenosine A1 Receptor AgonistsPurine NucleotidesExocytosisCholinergic AgonistsCell LineRats, WistarNucleotidasesNitrergic NeuronsQuinolinium CompoundsBenzoxazolesEpithelial Sodium ChannelsMice, KnockoutEstrenes