Luteinizing HormonePituitary GlandGonadotropin-Releasing HormonePituitary Gland, AnteriorEstradiolFollicle Stimulating HormonePituitary NeoplasmsReceptors, LHHormonesLuteinizing Hormone, beta SubunitPituitary HormonesTestosteroneProlactinProgesteronePituitary Hormone-Releasing HormonesChorionic GonadotropinThyroid HormonesPituitary Hormones, AnteriorOvaryOvulationGonadal Steroid HormonesPituitary DiseasesAdrenocorticotropic HormoneEstrusGonadotropins, PituitaryReceptors, LHRHOvariectomyCastrationSexual MaturationRadioimmunoassayParathyroid HormoneHuman Growth HormoneLeydig CellsGlycoprotein Hormones, alpha SubunitCorpus LuteumGonadotropinsTestisHypothalamusProestrusSheepPituitary ApoplexyFollicle Stimulating Hormone, beta SubunitOrchiectomyReceptors, Thyroid HormoneThyrotropinFollicular PhaseHypophysectomyOvarian FollicleHypothalamo-Hypophyseal SystemPregnancyReceptors, FSHGrowth Hormone-Releasing HormoneGranulosa CellsRats, Inbred StrainsPituitary Function TestsPituitary Gland, PosteriorDiestrusLuteal PhaseCattleHypogonadismInhibinsGonadal HormonesGrowth HormoneHormone AntagonistsTriptorelin PamoateTriiodothyronineGonadotrophsRNA, MessengerEstrogensPituitary Adenylate Cyclase-Activating PolypeptideCorticotropin-Releasing HormoneHypopituitarismAdenomaPeriodicityAnestrusDrug ImplantsHydrocortisoneSteroidsHypothalamus, MiddleHormone Replacement TherapyLeuprolideThyroxineAndrostenedioneFeedbackTime FactorsOrgan SizeMenstrual CycleEstrous CyclePreoptic AreaReproductionPuberty, PrecociousGonadotropins, EquineJuvenile HormonesProlactinomaHypothalamic HormonesAnti-Mullerian HormoneOvulation InductionMenstruationEndorphinsSwine