查询词典 neural tube

The incidence of anencephaly, one form of neural tube defect, has been reported to occur as frequently as 1 to 5 in 1000 live births in the past.

作为神经管缺陷的一种类型，无脑儿的发病率过去被报道为1～5/1000。

Studies have shown that adequate intake of folate by women just before and during pregnancy significantly reduces the risk of neural tube birth defects, such as spina bifida or anencephaly.

研究表明，摄入足够的叶酸的妇女只是前和怀孕期间显着减少的风险，神经管先天缺陷，如脊柱裂或anencephaly 。

Folic acid, a type of vitamin B, has been shown to reduce neural tube birth defects, such as spina bifida or anencephaly.

叶酸是一种维生素B，它可以明确降低神经管疾病的发生，如脊柱裂和无脑畸形等。

Daily supplementation with folic acid for 1 month prior to conception and during pregnancy may reduce the incidence of neural tube defects such as spina bifida and anencephaly in the child.

每天补充叶酸的前1个月的概念，并在怀孕期间可能会减少神经管畸形，如脊柱裂和无脑畸形的儿童。

Public Health Serice says that if all women of childbearing age consumed 400 micrograms of folic acid daily -- before and during pregnancy -- it could help preent up to 70 percent of pregnancies affected by neural tube defects, serious birth defects of the brain and spine such as spina bifida and anencephaly.

美国公共健康服务部说如果所有的育龄妇女每天消耗400微克叶酸——怀孕前和怀孕中——将帮助70％的孕妇预防中枢神经椎管缺陷疾病的发生，以及预防严重的大脑和脊柱的出生缺陷，如先天性脊柱裂和无脑儿。

Since 1998 the US has required mandatory fortification of all grain products with folic acid - the synthetic, bioavailable form of folate - in order to reduce the incidence of neural tube defects - most commonly spina bifida and anencephaly.

从1998年开始美国就要求强化所有谷物中的叶酸含量--它是综合的，生物可利用性形式的叶酸盐--目的是为了减少神经管缺陷的患病风险-最常见的病症是脊椎裂和无脑畸形儿。

Daily su****ementation with folic acid for 1 month prior to conception and during pregnancy may reduce the incidence of neural tube defects such as spina bifida and anencephaly in the child.

在怀孕前一个月及怀孕过程中对叶酸的补充会减低胎儿患神经系统疾病的机率，例如脊柱裂和脑血管畸型。

The overall neural tube defects rate was 10.63 per 10000 births, and rates were higher (18.99 per 10 000 births) in the year 1993, lower (6.05 per 10 000 births) in 1998. The prevalence rates of anencephaly, spina bifida and encephalocele were 4.71,4.39 and 1.53 per 10 000 births respectively.

结果：在1993～2000年间，共监测到1 189 126个活产儿和死胎、死产儿出生，其中有明确诊断的神经管畸形儿1 264例；总出生人群中的神经管畸形率为10.63/10 000，1993年的畸形率最高(18.99/10 000)， 1998年最低(6.05/10 000)；无脑儿、脊柱裂和脑膨出在每10 000个出生儿中的患病率分别为4.71、4.39和1.53。

Neural tube was formed by the apophysis,bend and close of neural crest.

它们在病因学上是多因素的，是遗传学因素和环境因素共同作用结果。

Besides neural tube, qBrn-2 was also expressed in notochord, neural crest, myotome and retina, whereas Brn-2 was not.

另外，与Brn-2不同，在鹌鹑胚胎发育中的中脑与后脑交界处作者没有发现qBrn-2表达区域的空缺。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。