Receptors, OxytocinFlumazenilOxytocinReceptors, TransferrinPregnancy, AnimalReceptors, EstrogenReceptors, SteroidProgesteroneReceptors, Cell SurfaceReceptors, ProgesteroneEstradiolEndometriumMyometriumUterusMacropodidaeDinoprostEstrusAnemia, Iron-DeficiencyCorpus LuteumReceptors, EstradiolCytosolRats, Inbred StrainsOviductsKineticsReceptors, AngiotensinReceptors, LHRHTomography, Emission-ComputedReceptors, GlucocorticoidSheepPseudopregnancyRadioligand AssayBinding, CompetitiveReceptors, LHQuinuclidinyl BenzilatePregnancyFerritinsReceptor, InsulinLuteal PhaseGABA ModulatorsPituitary GlandIronReceptors, CalcitriolIodine RadioisotopesOvariectomyEstrogensAutoradiographyCarbon RadioisotopesModels, BiologicalGrowth HormoneReceptors, GABA-AOvaryLuteinizing HormoneCell NucleusOrgan SizeBrain ChemistryTamoxifenInsulinBreast NeoplasmsCattleLiverTestosteroneTissue DistributionBrainSolubilityCell MembraneGestational AgeCell LineReference ValuesProtein BindingTime FactorsBinding SitesDose-Response Relationship, DrugCells, Cultured