Neural tube defects (NTDs) are one of the most common birth defects, affecting over 300,000 births globally each year. For example, Spina Bifida affects approximately 1,500 births annually in the USA, or about 3.5 in every 10,000, which has decreased from around 5 per 10,000 since folate fortification was instituted. A NTD is an opening in the spi...
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http://en.wikipedia.org/wiki/Neural_tube_defect
any congenital defect of the brain and spinal cord as a result of abnormal development of the neural tube (the precursor of the spinal cord) during ... [4 related articles]
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http://www.britannica.com/eb/a-z/n/28
<neurology, paediatrics> Abnormal development during embryonic life of the neural tube producing congenital malformations of the nervous system due to closure failure of the neural tube. ... The structure gives rise to the central nervous system (the brain and spinal cord), and failure to close results in anencephaly (absence of the cranial v...
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http://www.encyclo.co.uk/local/20973
a congenital defect in closure of the bony encasement of the spinal cord or of the skull. The most severe defects are a fissure along the entire length of the vertebral column, which leaves the meninges and spinal cord exposed (rachischisis), or herniation through the skull of a saclike structure containing brain tissue and meninges ...
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http://www.encyclo.co.uk/local/21001
A birth defect
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http://www.encyclo.co.uk/local/22139
Neural tube defect (NTD): A major birth defect caused by abnormal development of the neural tube, the structure present during embryonic life which gives rise to the central nervous system -- the brain and spinal cord. Neural tube defects (NTDs) are among the most common birth defects that cause infant mortality (death) and serious disability. Ther...
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http://www.medterms.com/script/main/art.asp?articlekey=4547
A birth defect that affects the spinal column or brain of a developing fetus or baby. During fetal development, the neural tube does not close properlu and the brain, nerves, spinal cord and muscles can not properly develop. Neural tube defects are often related to inadequate folate and folic acid intake by the mother before and early in pregnan......
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http://www.pregnology.com/
A kind of birth defect, like spina bifida, resulting from the failure of the brain or the spinal cord developing normally in the fetus.
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https://www.encyclo.co.uk/local/22233
A birth defect, such as spina bifida, that results from improper development of the brain, spinal cord or their coverings
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https://www.encyclo.co.uk/local/22787
any of a group of congenital abnormalities involving the brain and spinal cord, including spina bifida and meningocele, caused by failure of the neural tube to close properly during embryonic development.
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https://www.infoplease.com/dictionary/neural-tube-defect
A birth defect related to the baby's brain or spine.
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https://www.whattoexpect.com/pregnancy/glossary
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