Receptors, GonadotropinReceptors, LHChorionic GonadotropinGonadotropinsReceptors, FSHLuteinizing HormoneChorionic Gonadotropin, beta Subunit, HumanFollicle Stimulating HormoneThecomaGonadotropins, PituitaryOvaryGonadotropins, EquineLeydig CellsOvarian FollicleReceptors, ThyrotropinGranulosa CellsLeydig Cell TumorGonadotropin-Releasing HormoneTestosteroneProgesteroneTestisEstradiolPurinergic P2 Receptor AntagonistsCyclic AMPReceptors, Cell SurfaceCorpus LuteumDose-Response Relationship, DrugOvulationGlycoprotein Hormones, alpha SubunitStructure-Activity RelationshipMolecular Sequence DataPituitary GlandFollicle Stimulating Hormone, beta SubunitKineticsBinding, CompetitiveAmino Acid SequenceRNA, MessengerSwineNicotinic AntagonistsLuteinizing Hormone, beta SubunitCell LineCattleConotoxinsRadioligand AssayPregnancyHormone AntagonistsChoriocarcinomaHypogonadismOvulation InductionPituitary Hormone-Releasing HormonesRats, Sprague-DawleyReceptors, LHRHGene ExpressionViper VenomsPiperidinesReceptors, NicotinicCricetinaeSexual MaturationCHO CellsGonadotrophsBicyclo Compounds, HeterocyclicCells, CulturedInhibinsInhibitory Concentration 50Receptors, SerotoninPituitary Gland, AnteriorGuinea PigsEstrusOligopeptidesMenotropinsSuperovulationFertility Agents, FemaleProestrusSulfonamidesPeptides, CyclicLigandsRecombinant ProteinsLeuprolideSignal TransductionSerotonin AntagonistsFollicular PhaseIndolesPeptide FragmentsStereoisomerismProtein BindingMolecular StructureProlactinTrophoblastic NeoplasmsPeptidesFertilization in VitroOvariectomyRadioimmunoassayDopamine AntagonistsCalcium