Anatomy & Functional Organization of Cerebellum Quiz
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Questions and Answers

What is the structure of the cerebellar cortex composed of?

  • Outer layer of Purkinje cells and inner layer of granule cells
  • Outer gray matter and inner white matter (correct)
  • Outer layer of nerve fibers and inner layer of glial cells
  • Outer white matter and inner gray matter

    • Which type of neurons are found in the molecular layer?

  • Granule cells
  • Stellate cells (correct)
  • Purkinje cells
  • Golgi cells

    • Where are Purkinje cells located within the cerebellar cortex?

  • Molecular layer
  • Granular layer
  • Internal layer
  • Purkinje cell layer (correct)

    • What is the characteristic feature of granule cells in the cerebellar cortex?

    <p>Scanty cytoplasm</p> Signup and view all the answers

    Which cells form synaptic contacts with the Purkinje cell dendrites?

    <p>Granule cells</p> Signup and view all the answers

    What is the function of the arbor vitae in the cerebellum?

    <p>Conduction of nerve impulses</p> Signup and view all the answers

    Which layer of the cerebellar cortex contains Purkinje cells?

    <p>Molecular layer</p> Signup and view all the answers

    What is unique about the axons of granule cells in the granular layer of the cerebellum?

    <p>They pass into the molecular layer and bifurcate parallel to the long axis</p> Signup and view all the answers

    What type of neurons are predominant in the molecular layer of the cerebellar cortex?

    <p>Stellate cells</p> Signup and view all the answers

    What is the main function of the Purkinje cell axon within the cerebellar cortex?

    <p>To synapse with intracerebellar nuclei</p> Signup and view all the answers

    What is the role of Golgi cells within the granular layer of the cerebellar cortex?

    <p>To form synaptic contacts with mossy fiber endings</p> Signup and view all the answers

    Which layer of the cerebellar cortex do granule cells send axons to?

    <p>Molecular layer</p> Signup and view all the answers

    Which cells in the cerebellar cortex are primarily inhibited through the action of Stellate and Basket cells?

    <p>Purkinje cells</p> Signup and view all the answers

    In the cerebellar cortex, which cell type has an overall stimulatory effect on Stellate and Basket cells?

    <p>Mossy cells</p> Signup and view all the answers

    Which layer of the cerebellar cortex do Deep Cerebellar Nuclei synapse onto?

    <p>Granular layer</p> Signup and view all the answers

    Which pathway carries information from the cerebral cortex to the contralateral cerebellum through the pontine nuclei?

    <p>Corticopontocerebellar pathway</p> Signup and view all the answers

    Which pathway transmits sensory information from the reticular formation to the cerebellum?

    <p>Cerebroreticulocerebellar pathway</p> Signup and view all the answers

    The dentothalamic pathway involves axons projecting to which nucleus of the thalamus?

    <p>Ventral posterolateral nucleus</p> Signup and view all the answers

    Which tract carries proprioceptive information of joints, tendons, and ligaments from below L2/L3 to the cerebellum?

    <p>Anterior Spinocerebellar Tract</p> Signup and view all the answers

    Which tract carries proprioceptive information of spindle fibers from spinal levels C8-L2/L3 to the cerebellum?

    <p>Posterior Spinocerebellar Tract</p> Signup and view all the answers

    The cuneocerebellar tract receives muscle joint information from which areas of the body?

    <p>Upper limb and upper thorax region</p> Signup and view all the answers

    Which nuclei influence motor activity primarily on the same side of the body?

    <p>Globose and Emboliform nuclei</p> Signup and view all the answers

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