精神发育迟滞儿童发中微量元素测定

DETERMINING TRACE ELEMENT IN HAIR OF CHILDHOOD WITH MENTAL RETARDATION

摘要: <正> 大多数微量元素在胎儿脑细胞快速分化增殖时期就积累起来,这个时期为妊娠最后三个月及出生后短期内的婴儿打下基础,所以微量元素的缺乏,如同其他重要营养素一样,对胎儿和婴儿脑发育非常有害。为此,我们对29例精神发育迟滞儿童,按同地区、同民族、同年龄、同性别与学习优秀儿童随机抽样配对,采集了发样,对发中九种元素进行了分析。

Abstract: Seven trace elements in the hair come from 29 mental retardation children and 29 normal children have been analysed by INAA and XRF. There are significant differences for Fe and Sc between the two groups. The average value of Pb in the hair of the mental retardation children is higher than that of the normal childron, Although Zn is very important for children growing, there is no significant difference between two children groups.