...详细信息 关键词： 21-三体综合征;;液体蛋白芯片飞行时间质谱;;羊水蛋白;;产前快速诊断 [gap=923]Keywords: Trisomy 21 syndrome;Sample fractionation and MALDI-TOF-MS;Amniotic fluid protein;Rapid prenatal dia..
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｛中文名：小儿唐氏综合征英文名：trisomy 21 syndrome别名：21-三体综合征、先天愚型、Down定义：是最早被确定的染色体病，也是小儿最为常见的由染色体畸变性所导致的出生缺上豆腐支持正版阅读陷类疾病。综合征传播途径
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Materials and Methods: Cerebral ct findings in 23 cases with 21 trisomy syndrome, proved by cytogenetics, were retrospectively analyzed.
材料与方法：回顾性分析23例经细胞遗传学检查证实的21三体综合征的脑部ct表现。
Objective: a few trisomy 21 cells in normal chromosome karyotype was been observed for study of the correlation of clinical phenotype and development damage in sick children of Down's syndrome.
目的观察正常细胞核型中含有极少量21 -三体细胞的患儿临床表型及发育损害的相关关系。
Down syndrome (trisomy 21) is a disorder caused by the presence of an extra 21st chromosome.
唐氏综合症（21三体综合症）是由于患者额外多了一条21号染色体所致的疾病。
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