Spina Bifida and Neurulation Failure
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Questions and Answers

What is the primary failure in spina bifida according to the text?

  • Failure of notochord development
  • Failure of neurulation (correct)
  • Failure of mesoderm formation
  • Failure of Henson’s node

    • What prevents the mesoderm adjacent to the notochord from forming muscle and bone in spina bifida?

  • Loss of neural tube closure (correct)
  • Failure of Henson’s node
  • Excessive somitic mesoderm
  • Abnormal mesoderm development

    • According to Dias and colleagues, what is proposed as a cause of some forms of myelomeningoceles?

  • Failure of Henson’s node to lay down the notochord correctly (correct)
  • Abnormal somitic mesoderm development
  • Failure of neurulation
  • Loss of neural tube closure

    • What is the role of somitic mesoderm in protecting the neural tube?

    <p>Forming muscle and bone around the tube</p> Signup and view all the answers

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