Motor Neuron DiseaseMotor NeuronsPrimed In Situ LabelingFetal DiseasesAmyotrophic Lateral SclerosisSuperoxide DismutaseSpinal CordHypoglossal NerveFacial NerveAbducens NerveLumbosacral RegionRecruitment, NeurophysiologicalAxonsCatsAxotomySynapsesElectric StimulationDecerebrate StateInterneuronsBrain StemAction PotentialsMuscle, SkeletalTrigeminal NucleiPhrenic NerveNeuromuscular JunctionEfferent PathwaysFacial Nerve InjuriesAnterior Horn Cells