Sarcoplasmic ReticulumCalcium-Transporting ATPasesSarcoplasmic Reticulum Calcium-Transporting ATPasesCalciumHistiocytesEndoplasmic ReticulumMyocytes, CardiacRyanodine Receptor Calcium Release ChannelRabbitsMyocardiumCaffeineCalsequestrinRyanodineLymphoma, Non-HodgkinMusclesMyocardial ContractionCalcium-Binding ProteinsLymphoma, Large B-Cell, DiffuseCalcium SignalingLymphadenitisCa(2+) Mg(2+)-ATPaseMuscle ProteinsCalcium ChannelsAdenosine TriphosphateLymph NodesLymphatic DiseasesHeartSodium-Calcium ExchangerRuthenium RedKineticsHeart VentriclesHistocytochemistryEye NeoplasmsCalcium Channels, L-TypeExcitation Contraction CouplingLymphomaMuscle, SkeletalSarcolemmaImmunoenzyme TechniquesHodgkin DiseaseThapsigarginSplenic NeoplasmsMagnesiumAdenosine TriphosphatasesMuscle ContractionEgtazic AcidLymphoid TissueMyofibrilsCells, CulturedMicrosomesPalatine TonsilTetracaineMuscle Fibers, SkeletalMice, Inbred StrainsDantroleneDogsSarcoma, ExperimentalProcaineBiological Transport, ActiveOxalatesCardiomegalyPhosphorylationIntracellular MembranesMalignant HyperthermiaMembrane PotentialsMicroscopy, ElectronNeoplasms, ExperimentalAntibodies, MonoclonalRats, Sprague-DawleyRats, WistarNeoplasm TransplantationIsoproterenolEndoplasmic Reticulum StressMice, Inbred C57BLAnimals, NewbornFluorescent DyesTime FactorsAction PotentialsMuscle CellsLeukemia, ExperimentalBiological TransportMicroscopy, ConfocalIndolesSpleenVanadiumXanthenesHydrogen-Ion ConcentrationMurexidePatch-Clamp TechniquesPapillary MusclesCytosolBinding SitesMitochondria, HeartVentricular FunctionMembrane ProteinsIon TransportMuscle Fibers, Fast-TwitchCalcium RadioisotopesPotassiumAdrenergic beta-Agonists