Luteinizing HormoneGonadotropin-Releasing HormoneFollicle Stimulating HormoneReceptors, LHLuteinizing Hormone, beta SubunitTestosteroneProgesteroneEstradiolPituitary GlandChorionic GonadotropinHormonesOvaryOvulationProlactinPituitary Hormone-Releasing HormonesPituitary Gland, AnteriorEstrusOvariectomyCastrationSexual MaturationReceptors, LHRHCorpus LuteumLeydig CellsGonadal Steroid HormonesRadioimmunoassayGonadotropinsTestisThyroid HormonesGonadotropins, PituitaryProestrusSheepFollicular PhaseOvarian FollicleOrchiectomyHypothalamusGranulosa CellsPituitary Hormones, AnteriorLuteal PhaseGlycoprotein Hormones, alpha SubunitDiestrusAdrenocorticotropic HormonePituitary HormonesCattlePregnancySecretory RateTriptorelin PamoateReceptors, FSHRats, Inbred StrainsPeriodicityAnestrusInhibinsHypogonadismDrug ImplantsParathyroid HormoneHypothalamo-Hypophyseal SystemHypothalamus, MiddleFollicle Stimulating Hormone, beta SubunitFeedbackAndrostenedioneHypophysectomyTime FactorsRNA, MessengerSteroidsLeuprolideGonadotropins, EquineHormone AntagonistsHuman Growth HormonePuberty, PrecociousPreoptic AreaCells, CulturedMenstrual CycleMedian EminenceEstrous CycleKisspeptinsEstrogensGonadal HormonesSwineMenstruationLuteal CellsThyrotropinReproductionOvulation DetectionOrgan SizeDose-Response Relationship, DrugOvulation InductionCyclic AMPTheca CellsHydrocortisonePostpartum PeriodReceptors, GonadotropinAndrogensAnovulationReceptors, Thyroid HormoneInsulinDihydrotestosteroneNaloxoneGonadotrophsEndorphinsGrowth HormoneRats, Sprague-Dawley