胃与小肠的血管扩张病发机制尚不清楚,部分为先天性,有的系遗传综合征(inherited syndrome)的部分表现。60岁以上的受检者,6%可见到血管扩张,因此不能见到这种病变就下定论是出血的来源。
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inherited cancer syndrome 遗传性癌症综合征
human inherited cancer syndrome 遗传性癌症综合征
inherited long qt syndrome 遗传性长qt综合征
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4,000 boys and one in every 6,000 girls.
脆性X综合征,一个X染色体上的基因突变,是遗传性智力障碍最常见的来源,每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4, 000 boys and one in every 6, 000 girls.
脆性X综合征,一个X染色体上的基因突变,是遗传性智力障碍最常见的来源,每4000名男孩和每6000名女孩中就有一名儿童患有该症。
People who inherited the mutations are much more likely to develop restless leg syndrome, the researchers report in the journal PLoS Genetics.
最近,科学家发现,两种基因突变和不宁腿综合征(restless leg syndrome ,RLS)有关,遗传这种基因突变的人更容易发生不宁腿综合征。
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