section 2

  1. What is the characteristic shape of the gray matter seen in a spinal cord cross-section?

  2. Identify the three pairs of “horns” found in the spinal cord gray matter.

  3. Which specific horn of the spinal cord is associated with the Autonomic Nervous System (ANS)?

  4. What anatomical structures are found within the spinal cord gray matter?

  5. Name the central opening in the gray matter and the fluid it contains.

  6. Describe the composition of the spinal cord white matter.

  7. What are the three classifications of nerve fibers found in the white matter based on the direction they travel?

  8. What is the definition of a nerve tract?

  9. Identify the three “columns” of white matter found on each side of the spinal cord.

Answers — Section II

  1. H-shaped

  2. Posterior (dorsal), Anterior (ventral), and Lateral horns

  3. The Lateral horn

  4. Nerve cell bodies and dendrites

  5. Central canal; it contains Cerebrospinal Fluid (CSF)

  6. Myelinated and unmyelinated axons

  7. Ascending, Descending, and Commissural

  8. Bundles of axons with a similar destination

  9. Anterior (ventral), Posterior (dorsal), and Lateral columns