Corpus Striatum3,4-Dihydroxyphenylacetic AcidDopamineBrainReceptors, DopamineBerberineCorpus LuteumCorpus CallosumSubstantia NigraRats, Inbred StrainsRats, Sprague-DawleyNeuronsAgenesis of Corpus CallosumNeostriatumMedial Collateral Ligament, KneeMagnetic Resonance ImagingPrefrontal CortexBasal GangliaNeural PathwaysAmyotrophic Lateral SclerosisBrain MappingCorpora AllataMedial Forebrain BundleReceptors, Dopamine D2PenisImage Processing, Computer-AssistedKnee JointBehavior, AnimalAmygdalaRewardPutamenCorpus Luteum MaintenanceCerebral CortexTemporal LobeOxidopamineDopamine AntagonistsLateral Line SystemTime FactorsAnalysis of VarianceLuteolysisProgesteroneCaudate NucleusFunctional LateralityMicrodialysisRats, Long-EvansHypothalamic Area, LateralLateral VentriclesNucleus AccumbensReceptors, Dopamine D1Tyrosine 3-MonooxygenaseImmunohistochemistryOsteoarthritis, Knee