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Neural Tube Defects

Congenital malformations of the central nervous system and adjacent structures related to defective neural tube closure during the first trimester of pregnancy generally occurring between days 18-29 of gestation. Ectodermal and mesodermal malformations (mainly involving the skull and vertebrae) may occur as a result of defects of neural tube closure. (From Joynt, Clinical Neurology, 1992, Ch55, pp31-41)

Year introduced: 1979

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Tree Number(s): C10.500.680, C16.131.666.680

MeSH Unique ID: D009436

Entry Terms:

  • Defect, Neural Tube
  • Defects, Neural Tube
  • Neural Tube Defect
  • Developmental Neural Tube Defects
  • Neural Tube Developmental Defects
  • Developmental Defects, Neural Tube
  • Craniorachischisis
  • Craniorachischises
  • Diastematomyelia
  • Diastematomyelias
  • Tethered Cord Syndrome
  • Tethered Cord Syndromes
  • Occult Spinal Dysraphism Sequence
  • Tethered Spinal Cord Syndrome
  • Occult Spinal Dysraphism
  • Dysraphism, Occult Spinal
  • Dysraphisms, Occult Spinal
  • Occult Spinal Dysraphisms
  • Spinal Dysraphism, Occult
  • Spinal Dysraphisms, Occult
  • Iniencephaly
  • Iniencephalies
  • Neurenteric Cyst
  • Cyst, Neurenteric
  • Cysts, Neurenteric
  • Neurenteric Cysts
  • Neuroenteric Cyst
  • Cyst, Neuroenteric
  • Cysts, Neuroenteric
  • Neuroenteric Cysts
  • Spinal Cord Myelodysplasia
  • Myelodysplasia, Spinal Cord
  • Myelodysplasias, Spinal Cord
  • Spinal Cord Myelodysplasias
  • Acrania
  • Acranias
  • Exencephaly
  • Exencephalies

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