这项新技术用于检查极体中的染色体是否异常。
为了检查一个卵细胞的染色体是否异常,医生用激光在卵细胞外膜上切一小口,通过这个小口抽取极体及其所含的染色体。
To check an egg for chromosomal abnormalities, doctors use a laser to make a small incision in the outer membrane, which allows them to extract the polar body and the chromosomes it contains.
石龙芮染色体非整倍性和染色体异常的观察。
The observation on chromosome aneuploid and chromosome abnormity in ranunculus sceleratus l.
目的分析疑有染色体异常个体的9号染色体异染色质区的变异。
Objective:To analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.
结论异常孕产史不但与染色体畸变有关,与染色体多态性也有关联。
Conclusions Abnormal pregnancy-labor history is not only associated with chromosome aberration, but also with chromosome polymorphism.
结论染色体异常是闭经的主要原因之一,染色体核型分析对闭经患者的诊断和治疗是必要的。
Conclusion: chromosome abnormality is one of the main causes of amenorrhea. Karyotype analysis of chromosome is absolutely necessary for the diagnosis and treatment of patient with amenorrhea.
结论供精者个体存在染色体异常且以9号染色体倒位为主,供精者个体存在较高频率的大Y ,其临床意义有待于积累更多资料。
Conclusion Chromosome 9 abnormality is an important factor in donors, and there is a high big Y chromosome rate in donors, whose clinical significance is to be studied with more accumulation of data.
染色体易位植入前基因检测能够区分正常和异常染色体的胚胎。
Preimplantation genetic testing for chromosomal translocations is able to distinguish between chromosomally normal and abnormal embryos.
染色体平衡易位携带者由于自身染色体是平衡的因此没有异常表型,但将导致不育、流产、死胎、畸胎、胎儿宫内和出生后生长缺陷。
Although the carriers of chromosomal balanced translocation have normal phenotypes they would lead to infertility, abortion of fetus, malformation of fetus and congenital defects after born.
本研究将染色体多态核型人群和正常核型人群分组,进行G显带染色体核型分析,以比较两组人群的生殖异常的发生率。
The incidence rates of reproduction abnormality of chromosome polymorphism group and normal karyotype group have been compared by G-banded chromosome karyotype analysis.
结果1009例男性不育患者中染色体异常者有61例,异常率为6.05%,染色体多态性者43(4.26%)例。
Results: There were 61 patients with chromosome abnormalities among 1009 infertility male, the abnormal rate was 6.05%, and 43 (4.26%) patients with chromosome polymorphism.
巨大亚中着丝粒染色体以较高的频率出现在何杰金氏病中表明它是非随机性的染色体异常。
The high frequency of giant submetacentric chromosome in Hodgkin's disease revealed that it was nonrandom chromosome abnormality.
结果:146例外周血染色体异常核型中常染色体数目异常占4.8%(7/146); 常染色体结构异常占29.5%(43/146);
Results: In 146 cases of chromosomes aberrance, the rate of abnormal eu-chromosome number and abnormal euchromosome structure was 4. 8% (7/146) and 29. 5% (43/146).
方法采用低叶酸tc 199培养诱导法,观察了31对染色体核型无异常的习惯性流产夫妇染色体脆性位点,并观察了脆性位点的分布。
Methods: TC199 low level of folic acid cultivation method was performed to analyse both the frequency and the distribution of chromosome fragile sites in 31 habitual abortion couples.
目的通过对患者外周血染色体分析,探讨染色体异常与疾病的关系。
Objective: To study the relationship between the abnormal karyotype and the disease with karyotype analysis.
结果对照组性染色体核型均正常,难免流产组性染色体核型异常2例,但两组的差异无显著性;
Results Nuclear types of normal villous tissues were all normal. There were 2 cases with abnormal nuclear types in inevitable abortion group, but the difference was not significant.
这些染色体异常可能是异源DNA整合到受体染色体,进行染色体重排所引起的复杂细胞学反应。
The main reason of abnormal meiosis of PMC are the complicated cytological reaction of recipient after exogenous DNA introduced into recipient chromoses.
枫糖尿症是支链氨基酸代谢异常的体染色体隐性遗传疾病。
Maple syrup urine disease (MSUD), or branched-chain ketoaciduria, is an autosomal recessive disorder of branched-chain amino acid metabolism.
先天性小眼球是一种先天发育异常性眼科疾病,遗传方式有常染色体显性遗传、常染色体隐性遗传和X连锁隐性遗传。
Congenital microphthalmia is a developmental defect of ocular disorder with autosomal dominant, autosomal recessive, and X-linked recessive modes of inheritance.
方法:对近6年于北京大学人民医院不孕不育门诊进行咨询的1624例患者中,存在染色体异常的患者,进行染色体核型及临床分析。
Methods: Among 1624 patients consulted in infertility clinic in our hospital from recent 6 years, chromosome karyotype and clinical analysis were conducted in abnormal chromosome patients.
由于大部分先天缺陷是由染色体异常造成的,因此了解染色体的机构及其如何运作将非常重要。
Since the majority of birth defects are caused by chromosomal abnormalities, he says it is absolutely fundamental to understand how chromosomes work.
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)。
Results Nine cases of trisomy 18 and 2 cases of other abnormal karyotype were found among the 128 pregnant women (8.59%, 11/128).
染色体多态性17例,占异常核型的9.83%,主要包括Y染色体多态性、次缢痕和随体的变异。
There were 17 cases of chromosome polymorphism, accounting for 9.83% of all abnormal karyotypes. It contains Y chromosome, secondary constriction, and variation of satellites.
减数分裂过程中染色体行为异常的花粉母细胞约占10.28%;雄配子体发育过程中异常频率约为3.2%,败育主要发生在单核期。
In meiosis, the pollen mother cells that abnormally acted made up about 10.28% and the male gametophytes abnormally acted at a frequency of 3.2% and mainly aborted at uninucleate stage.
结果有风险孕妇流产绒毛染色体异常发生率为15 。5 2 % ,正常对照组染色体异常发生率为5 。
Results The incidence of chromosomal abnormalities in the villus samples of high-risk pregnant women was 15.52%, while that of the control group was 5.26%.
克氏症仍是最常见的染色体疾病,染色体平衡易位核型占常染色体异常核型比例最大。
Klinefelter syndrome is still the most common chromosomal disease, balanced translocation accounts for largest proportion of autosomal abnormality.
克氏症仍是最常见的染色体疾病,染色体平衡易位核型占常染色体异常核型比例最大。
Klinefelter syndrome is still the most common chromosomal disease, balanced translocation accounts for largest proportion of autosomal abnormality.
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