CNS Developmental Terminology Quiz
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Questions and Answers

What is the region of the CNS that contains axons (nerve fibers) embedded in neuroglia but with no neurons?

  • Lemniscus
  • Gray matter (correct)
  • Fasciculus
  • Peduncle

Which term represents a group of fibers with common origin and destination?

  • Peduncle
  • Pathway
  • Tract
  • Fasciculus (correct)

What is the specific pathway in the CNS for discriminative touch, proprioception, and vibration?

  • Lemniscus (correct)
  • Fasciculus
  • Brachium
  • Peduncle

Which term represents a large bundle of fibers connecting one part with another?

<p>Brachium (A)</p> Signup and view all the answers

What represents the route the nerve impulse travel between two given points?

<p>Pathway (D)</p> Signup and view all the answers

Which term represents a numerous axons (fibers) within the CNS having the same origin, termination, and function?

<p>Tract (C)</p> Signup and view all the answers

From which embryonic layer does the nervous system develop?

<p>Ectoderm (A)</p> Signup and view all the answers

What are the primary brain vesicles?

<p>Cerebral hemisphere (A)</p> Signup and view all the answers

What are the layers of the cerebral cortex?

<p>Molecular layer, external granular layer, external pyramidal layer (C)</p> Signup and view all the answers

What is the main function of the central sulcus?

<p>Connects motor and sensory areas (A)</p> Signup and view all the answers

Which fissure intervenes between the cerebral hemisphere and cerebellum?

<p>Transverse cerebral fissure (B)</p> Signup and view all the answers

What is the function of the parieto-occipital sulcus?

<p>Separates the parietal lobe from the occipital lobe (D)</p> Signup and view all the answers

Which structure is located on the medial surface of the cerebral hemisphere?

<p>Corpus callosum (A)</p> Signup and view all the answers

What is the function of the orbital opercular?

<p>Involved in emotional processing (C)</p> Signup and view all the answers

Which structure is found mainly on the inferior and lateral surfaces of the cerebral hemisphere?

<p>Lateral sulcus (Fissure of sylvius) (A)</p> Signup and view all the answers

What are the main components of gray matter in the CNS?

<p>Nuclei and cortex (A)</p> Signup and view all the answers

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