Corpus StriatumChronic DiseaseMultiple Sclerosis3,4-Dihydroxyphenylacetic AcidDopamineBrainAcute DiseaseMagnetic Resonance ImagingReceptors, DopamineBerberineCorpus LuteumCorpus CallosumSubstantia NigraRats, Inbred StrainsAgenesis of Corpus CallosumRats, Sprague-DawleyNeuronsNeostriatumBasal GangliaCorpora AllataPenisOxidopamineReceptors, Dopamine D2Corpus Luteum MaintenanceImmunohistochemistryLuteolysisTime FactorsProgesteronePutamenCaudate NucleusDopamine Antagonists