Corpus StriatumCorpus Luteum3,4-Dihydroxyphenylacetic AcidDopamineBrainReceptors, DopamineBerberineCorpus CallosumSubstantia NigraRats, Inbred StrainsRats, Sprague-DawleyAgenesis of Corpus CallosumLuteolysisCorpus Luteum MaintenanceNeuronsProgesteroneCorpus Luteum HormonesLuteal CellsLuteal PhaseDinoprostNeostriatumPseudopregnancyEstrusEstrous CycleOvaryBasal GangliaCorpora AllataPregnancyPregnancy, AnimalChorionic GonadotropinCattleOvulationMagnetic Resonance ImagingOvarian FollicleLuteinizing HormonePenisReceptors, Dopamine D2Neural PathwaysPutamenMedial Collateral Ligament, KneePrefrontal CortexOxidopamineImmunohistochemistryEstradiolDopamine AntagonistsBrain MappingOxytocinMenstrual CycleLuteolytic AgentsRNA, MessengerMicrodialysisRewardCaudate Nucleus3-Hydroxysteroid Dehydrogenases