Spinal Cord Anatomy Overview

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Questions and Answers

What type of fibers does the anterior (ventral) root of the spinal nerve carry?

  • Pain fibers
  • Mixed fibers
  • Motor fibers (correct)
  • Sensory fibers

What is visible from T2 through L1 in the spinal cord?

  • Gray matter
  • Posterior (dorsal) horns
  • Anterior (ventral) horns
  • Lateral horn (correct)

Which white matter bundles of the spinal cord provide communication between different levels of the central nervous system?

  • Trunks
  • Funnel
  • Hornets
  • Fasciculi (correct)

What is the function of the ascending tracts in the spinal cord?

<p>Carry sensory information to the brain (A)</p> Signup and view all the answers

Which structure connects the right and left sides of the spinal cord?

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

What is the primary function of the descending tracts in the spinal cord?

<p>Carry commands to motor neurons (D)</p> Signup and view all the answers

What term is used to describe the crossing of the midline in many tracts of the spinal cord?

<p>Decussation (B)</p> Signup and view all the answers

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