has subject area Animals Calcium Calcium Signaling Cells, Cultured Chelating Agents Cytosol Fluorescent Dyes Fura-2 Glutamic Acid Intracellular Fluid Mitochondria Nerve Degeneration Neurons Oxidants Oxidative Stress Polycyclic Compounds Rats Rats, Sprague-Dawley Reactive Oxygen Species Receptors, Glutamate Zinc