汞,尤其是甲基汞,能选择性损害中枢神经系统,引起感觉异常、运动失调、视野缩小、听觉障碍和精神异常等神经精神症状,而且还能通过胎盘转移,损害胎儿的中枢神经系统,产生先天性大脑麻痹和精神迟钝等脑损伤的症状。本文仅就汞对神经系统的毒作用机理作一概括介绍。一、汞对神经系统毒作用的生化基础汞与体内的巯基(-SH)具有很强的亲和 Mercury, especially methylmercury, can selectively damage the central nervous system and cause neuropsychiatric symptoms such as sensory abnormalities, ataxia, blurred vision, hearing impairment and mental disorders. It can also damage the central nervous system of the fetus through the placenta, Symptoms of brain damage such as congenital cerebral palsy and mental retardation. This article only on the toxic effects of mercury on the nervous system for a general introduction. First, the biochemical basis of toxic effects of mercury on the nervous system Mercury and the body of the mercapto (-SH) has a strong affinity