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单词 neural tube defect
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neural tube defect
neural tube defect n. Medicine any congenital abnormality resulting from incomplete closure of the neural tube, such as spina bifida and anencephaly.
ΚΠ
1966 Bull. World Health Organization 34 (Suppl.) 29/1 In all countries neural tube defects determine more stillbirths and early deaths than any other type of malformation.
1978 Pediatric Clinics N. Amer. 25 619 A normal level [of alpha-fetoprotein in amniotic fluid]..does not exclude the possibility of a closed neural tube defect.
2000 Guardian (Electronic ed.) 14 Jan. Adding 240 micrograms of folic acid per 100g of flour would prevent 41% of cases of neural tube defects ‘without resulting in unacceptably high intakes in any group of the population.’
extracted from neuraladj.n.
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