22 Questions
What is the structure of the cerebellar cortex composed of?
Outer gray matter and inner white matter
Which type of neurons are found in the molecular layer?
Stellate cells
Where are Purkinje cells located within the cerebellar cortex?
Purkinje cell layer
What is the characteristic feature of granule cells in the cerebellar cortex?
Scanty cytoplasm
Which cells form synaptic contacts with the Purkinje cell dendrites?
Granule cells
What is the function of the arbor vitae in the cerebellum?
Conduction of nerve impulses
Which layer of the cerebellar cortex contains Purkinje cells?
Molecular layer
What is unique about the axons of granule cells in the granular layer of the cerebellum?
They pass into the molecular layer and bifurcate parallel to the long axis
What type of neurons are predominant in the molecular layer of the cerebellar cortex?
Stellate cells
What is the main function of the Purkinje cell axon within the cerebellar cortex?
To synapse with intracerebellar nuclei
What is the role of Golgi cells within the granular layer of the cerebellar cortex?
To form synaptic contacts with mossy fiber endings
Which layer of the cerebellar cortex do granule cells send axons to?
Molecular layer
Which cells in the cerebellar cortex are primarily inhibited through the action of Stellate and Basket cells?
Purkinje cells
In the cerebellar cortex, which cell type has an overall stimulatory effect on Stellate and Basket cells?
Mossy cells
Which layer of the cerebellar cortex do Deep Cerebellar Nuclei synapse onto?
Granular layer
Which pathway carries information from the cerebral cortex to the contralateral cerebellum through the pontine nuclei?
Corticopontocerebellar pathway
Which pathway transmits sensory information from the reticular formation to the cerebellum?
Cerebroreticulocerebellar pathway
The dentothalamic pathway involves axons projecting to which nucleus of the thalamus?
Ventral posterolateral nucleus
Which tract carries proprioceptive information of joints, tendons, and ligaments from below L2/L3 to the cerebellum?
Anterior Spinocerebellar Tract
Which tract carries proprioceptive information of spindle fibers from spinal levels C8-L2/L3 to the cerebellum?
Posterior Spinocerebellar Tract
The cuneocerebellar tract receives muscle joint information from which areas of the body?
Upper limb and upper thorax region
Which nuclei influence motor activity primarily on the same side of the body?
Globose and Emboliform nuclei
Test your knowledge of the gross anatomy and functional organization of the cerebellum. Learn about the structure, location, and connections of this important brain region.
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