trisomy

1. If this is a patient with trisomy 21, it become more complicated.: 如果这病人是21三体，可能就复杂些。

2. 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。

3. 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。

4. 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。

5. 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。

6. 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。

7. 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。

8. 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。

9. 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；

10. 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）。

11. 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。

12. 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。

13. 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。

14. 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。

15. 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。

16. 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。

17. 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。

18. 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。

19. 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: 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

20. 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: 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

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