Uncover the Mystery of a Unique Brain Structure
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Questions and Answers

Which part of the brain is the fourth ventricle located?

  • Medulla
  • Pons
  • Cerebellum (correct)
  • Cerebrum
  • What is the shape of the fourth ventricle when seen from behind?

  • Oval chamber
  • Triangular space
  • Rhomboidal fossa (correct)
  • Circular cavity
  • What are the lateral angles of the fourth ventricle?

  • Connect to the cerebellum
  • Connect to the central canal of the medulla
  • Extend laterally to form the lateral recess of the 4th ventricle (correct)
  • Extend towards the aqueduct of sylvius
  • What are the superior borders of the fourth ventricle?

    <p>Superior cerebellar peduncles</p> Signup and view all the answers

    What divides the floor of the fourth ventricle into two similar halves?

    <p>Median sulcus</p> Signup and view all the answers

    Which part of the brain forms the upper pontine part of the floor of the fourth ventricle?

    <p>Dorsal segmental</p> Signup and view all the answers

    What is the depression located between the facial colliculus and the vestibular area in the lower medullary part of the floor of the fourth ventricle called?

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

    Which nucleus does the hypoglossal trigone in the medullary part of the floor of the fourth ventricle overlay?

    <p>Hypoglossal nerve nucleus</p> Signup and view all the answers

    What does the medullary stria separate the lower part of the floor of the fourth ventricle from?

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

    What does the vestibular area in the medullary part of the floor of the fourth ventricle overlay?

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

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