Cell Line, Cell Survival - drug effects, Mutagens - toxicity, Apoptosis - drug effects, Neuroglia - pathology, Humans, Rats, Methylmercury Compounds - administration & dosage, Mutagens - administration & dosage, Neuroglia - drug effects, Animals, Mutagenicity Tests, Methylmercury Compounds - toxicity, Neuroglia - metabolism, Cell Proliferation - drug effects...