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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of these is a neural tube defect?
assistant
The correct answer is  Ans. D. All of these are NTDNeural tube defects are failure of closure of the neural tube between 3rd-4th weeks of intrauterine life. Important neural tube defects include spina bifida occulta, meningocele, meningomyelocele, dermal sinus, encephalocele, anencephaly, syringomyelia and diastematomyelia.