Receptors, ProstaglandinReceptors, Prostaglandin EReceptors, Prostaglandin E, EP2 SubtypeReceptors, Prostaglandin E, EP1 SubtypeProstaglandin AntagonistsReceptors, Prostaglandin E, EP4 SubtypeReceptors, Prostaglandin E, EP3 SubtypeHydantoinsIloprostDinoprostoneReceptors, ThromboxaneProstanoic AcidsProstaglandins E, SyntheticAlprostadilReceptors, EpoprostenolProstaglandinsHistamine AgentsProstaglandin D2Xanthones15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidRadioligand AssayReceptors, CorticotropinReceptors, OpioidBinding, CompetitiveDinoprostReceptor, Melanocortin, Type 3Dose-Response Relationship, DrugReceptors, EicosanoidEnkephalin, LeucineProstaglandins, SyntheticReceptors, Opioid, deltaReceptors, MelanocortinInterleukin 1 Receptor Antagonist ProteinReceptors, Opioid, muLigandsMelanocyte-Stimulating HormonesReceptors, Thromboxane A2, Prostaglandin H2NaltrexoneGuinea PigsReceptors, Opioid, kappaStructure-Activity RelationshipThromboxane A2Prostaglandin Endoperoxides, SyntheticPeptides, CyclicNeurokinin-1 Receptor AntagonistsThromboxanesAmino Acid SequenceHydrazinesRats, Sprague-DawleyMolecular Sequence DataMisoprostolStereoisomerismEpoprostenolXanthenesSulfonamidesIsoprostanesCyclooxygenase 2Prostaglandins F, SyntheticBiphenyl CompoundsCyclic AMPOxazepinesDioxanesReceptors, G-Protein-CoupledEnprostilOligopeptidesPurinergic P1 Receptor AntagonistsIndomethacinPiperidinesHistamine H2 AntagonistsSerotonin 5-HT3 Receptor AntagonistsProstaglandin-Endoperoxide SynthasesExcitatory Amino Acid AntagonistsModels, MolecularCHO CellsTracheaCells, CulturedDopamine AntagonistsBinding SitesAngiotensin Receptor AntagonistsSignal TransductionSerotonin 5-HT2 Receptor AntagonistsAdenosine A2 Receptor AntagonistsHormone AntagonistsMuscle, SmoothProstaglandins ERats, WistarVasoconstrictor AgentsCricetinaeRNA, MessengerAdenosine A1 Receptor AntagonistsCell LineMuscle ContractionPurinergic P2 Receptor AntagonistsNarcotic AntagonistsCyclic AMP-Dependent Protein KinasesLabor, ObstetricReceptors, ImmunologicHistamine H1 AntagonistsVasoconstrictionReceptors, Endothelin