NeurogliaBrain ChemistryBrain InjuriesBrain NeoplasmsBrainNeuronsGlial Cell Line-Derived Neurotrophic Factor ReceptorsBrain MappingAstrocytesNerve Tissue ProteinsGlial Fibrillary Acidic ProteinNerve Growth FactorsBrain StemCerebral CortexBrain EdemaCentral Nervous SystemImmunohistochemistryBrain IschemiaRats, Sprague-DawleyRetinaOligodendrogliaCells, Cultured