Uncover the Mystery of a Unique Brain Structure
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Questions and Answers

Which ventricle is located in front of the cerebellum and behind the pons and medulla?

  • Second ventricle
  • Fourth ventricle (correct)
  • First ventricle
  • Third ventricle
  • What is the shape of the fourth ventricle when seen from behind?

  • Square
  • Triangular
  • Circular
  • Rhomboidal (correct)
  • What are the lateral angles of the fourth ventricle responsible for forming?

  • The roof of the ventricle
  • The boundaries of the ventricle
  • The lateral borders of the ventricle (correct)
  • The floor of the ventricle
  • What divides the floor of the fourth ventricle into two similar halves?

    <p>The median sulcus</p> Signup and view all the answers

    What is attached to the inferior medullary vellum and forms part of the roof of the fourth ventricle?

    <p>The choroid plexus</p> Signup and view all the answers

    Which part of the brain forms the lower part of the floor of the 4th ventricle?

    <p>Cerebellum</p> Signup and view all the answers

    What separates the lower medullary part of the floor of the 4th ventricle from the back of the pons?

    <p>Medullary stria</p> Signup and view all the answers

    What lies lateral to the posterior median sulcus in the lower medullary part of the floor of the 4th ventricle?

    <p>Inferior fovea</p> Signup and view all the answers

    What does the inferior fovea divide the medullary part of the floor of the 4th ventricle into?

    <p>Three triangular areas</p> Signup and view all the answers

    What overlies the dorsal nucleus of the vagus nerve in the lower medullary part of the floor of the 4th ventricle?

    <p>Vagal trigone</p> Signup and view all the answers

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