Fura-2FluorouracilCalciumFloxuridineFluorodeoxyuridylateHistidinolBenzofuransThymidylate SynthasePhosphoribosyl PyrophosphateDeoxyuridinePhosphonoacetic AcidFluorescent DyesCalcium SignalingUridineAnabaenaLeucovorinBromouracilPoloxaleneCytosolColonic NeoplasmsThapsigarginTetrahydrouridineDrug SynergismThyminePyrimidine NucleosidesCalcium Channel BlockersUridine TriphosphateThymidine PhosphorylaseDiacetylCells, CulturedOsmolar ConcentrationMuscle, Smooth, VascularSarcoma 180Calcium ChannelsKineticsDose-Response Relationship, DrugCaffeineUracilEgtazic AcidIonomycinPotassium ChlorideInfusions, ParenteralLeukemia L1210NostocDihydrouracil Dehydrogenase (NADP)Thymine NucleotidesBenzylisoquinolinesIntracellular MembranesThymidineAntimetabolites, AntineoplasticInositol 1,4,5-TrisphosphateVasoconstrictionRNA, NeoplasmFormamidesDrug EvaluationCalcium-Transporting ATPasesTritiumSpectrometry, FluorescenceTime FactorsStomatitisbeta-AlanineIsoflurophateVasoconstrictor AgentsMycobacterium smegmatisIntracellular FluidCalcium Channel AgonistsCytidineSarcoplasmic ReticulumRats, Sprague-DawleyEnzyme InhibitorsAspartic AcidChelating AgentsTumor Cells, CulturedGallic AcidMetabolic Clearance RateCalcium Channels, L-TypeIonophoresDipyridamoleSodium-Calcium ExchangerAminoquinolinesInterferon-alphaLanthanumCarbacholInfusions, IntravenousMyocardial ContractionImidazolesDrug Administration ScheduleDiltiazemCell SurvivalMethotrexateMuscle ContractionRats, WistarInosineNifedipineNeoplasm TransplantationRabbitsRepressor ProteinsMuscle, SmoothUracil NucleotidesColorectal Neoplasms