In this paper, we report a case of X-trisomy, and analyse its mechanism and genetic effect.
本文报告一例单纯性x三体型，并对其发病机理和遗传效应进行了分析。
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。
Objective:To evaluate sonographic characteristics on prenatal ultrasound study of trisomy 13 and 18…
目的：对13及18三体综合征胎儿的超声表现特征和产前超声筛查价值的评价。
Trisomy has been the focus of extensive medical research but the exact mechanism is still not understood.
三体综合症在医学研究上备受关注，但其确切机制仍未明确。
This confirmed the presence of tetrasomy 8 and trisomy 8 and also revealed a low percentage of a pentasomy 8 clone.
这不但证实了三体8和四体8克隆的存在，还发现存在一个较小的五体8克隆。
The abnormal is concerned in trisomy, monosomy, Robertsonian translocation, reciprocal translocation and rearrange.
异常核型涉及到三体型、单体型、罗伯逊易位、相互易位、不平衡重排等。
An aneuploid state in which a third homologous chromosome is present in addition to the normal autosomal pair is called trisomy.
除了正常染色体对以外，还存在有第二种同源染色体的非整倍体状态，被称为三体性。
Results: The trisomy with cleft palate mouse foetuses had significantly developmental hypoplasia in the primary palatal shelves.
结果：该模型虽无原发腭裂却伴有原发腭的发育不足；
Results Nine cases of trisomy 18 and 2 cases of other abnormal karyotype were found among the 128 pregnant women (8.59%, 11/128).
结果128例胎儿核型中，9例为18三体综合征，2例为其它染色体异常，染色体异常发现率为8·59%（11/128）。
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。
Conclusion: The ultrasonographic measurement data of nt have an important reference value in prenatal screening of fetal 21-trisomy syndrome.
结论：超声测量胎儿nt值，对2 1 -三体胎儿的筛查有重要的参考价值。
Conclusion trisomy 16 mice occur with congenital megacolon, and trisomy 16 mice may be also regard as an animal model for Hirschsprung's disease.
结论唐氏综合征动物模型16三体鼠伴有先天性巨结肠，这种动物模型可用于研究先天性巨结肠病。
Objective: To determine the rate of prenatal detection of ultrasonography abnormalities in fetuses with trisomy 18 and evaluate its predictive value.
目的：探讨孕期18 -三体胎儿超声异常的产前检出率及临床价值。
Object:To evaluate the prognostic impact of trisomy 8 on cytobiological and clinical features in acute myelomonocytic and monocytic leukemia (M4, M5).
目的探讨8号染色体三体（8三体）对急性粒单、单核细胞白血病（M4、M5）细胞生物学及临床特征的影响。
CONCLUSIONS: The extent to which free fetal DNA testing can be applied as a universal screening tool for trisomy 21, 18, and 13 depends mainly on assay accuracy and cost.
结论：胎儿游离dna检测作为21三体、18三体和13三体的通用筛查工具的程度，主要取决于测定方法的准确性和成本。
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。
One of the ideas that I am working on is that if a patient has trisomy 7 only we can give them an epidermal growth factor receptor inhibitor for six months and see if we can eradicate those clones.
在这方面我正在研究的一种思路就是，如果一个患者只有7三体，我们可以用表皮生长因子受体阻滞剂治疗6个月，观察是否能根除这种克隆。
The detection rate of the chromosomal abnormality of the abnormal fetus detected by ultrasound (33.33%) was higer than the trisomy 21 high risk group(4.54%) and abnormal delivery group(9.09%)(P<0.05).
其中超声示胎儿异常组染色体异常检出率（33.33%）明显高于21-三体高风险组（4.54%）、不良孕产史组的检出率（9.09%）（P<0.05）。
The detection rate of the chromosomal abnormality of the abnormal fetus detected by ultrasound (33.33%) was higer than the trisomy 21 high risk group(4.54%) and abnormal delivery group(9.09%)(P<0.05).
其中超声示胎儿异常组染色体异常检出率（33.33%）明显高于21-三体高风险组（4.54%）、不良孕产史组的检出率（9.09%）（P<0.05）。
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