Luteinizing HormonePituitary GlandGonadotropin-Releasing HormonePituitary Gland, AnteriorEstradiolPituitary NeoplasmsFollicle Stimulating HormoneReceptors, LHLuteinizing Hormone, beta SubunitTestosteronePituitary HormonesProlactinProgesteroneHormonesChorionic GonadotropinPituitary Hormone-Releasing HormonesOvaryPituitary Hormones, AnteriorOvulationPituitary DiseasesEstrusGonadotropins, PituitaryReceptors, LHRHOvariectomyCastrationSexual MaturationGonadotropinsRadioimmunoassayLeydig CellsAdrenocorticotropic HormoneCorpus LuteumGonadal Steroid HormonesTestisProestrusPituitary ApoplexyThyroid HormonesHypothalamusSheepGlycoprotein Hormones, alpha SubunitOvarian FollicleFollicular PhaseOrchiectomyFollicle Stimulating Hormone, beta SubunitHypophysectomyGrowth HormoneGranulosa CellsHypothalamo-Hypophyseal SystemDiestrusPituitary Gland, PosteriorPituitary Function TestsLuteal PhasePregnancyReceptors, FSHHypogonadismRats, Inbred StrainsHuman Growth HormoneThyrotropinPituitary Adenylate Cyclase-Activating PolypeptideInhibinsCattleGonadotrophsTriptorelin PamoateAnestrusPeriodicityAdenomaDrug ImplantsHypopituitarismHypothalamus, MiddleRNA, MessengerParathyroid HormoneFeedbackHormone AntagonistsLeuprolideGrowth Hormone-Releasing HormoneEstrogensSteroidsPreoptic AreaAndrostenedioneGonadotropins, EquineGonadal HormonesPuberty, PrecociousProlactinomaEstrous CycleOrgan SizeHydrocortisoneReproductionEndorphinsThyrotropin-Releasing HormoneMenstrual CycleTime FactorsMenstruationOvulation InductionKisspeptinsSwineBromocriptineMedian EminenceOvulation DetectionSecretory RateCorticotropin-Releasing HormonePostpartum Period