section 2

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

H-shaped

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

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

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

Lateral horn

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

Nerve cell bodies and dendrites

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

Central canal; it contains Cerebrospinal Fluid (CSF)

Describe the composition of the spinal cord white matter

Myelinated and unmyelinated axons

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

Ascending, Descending, and Commissural

Definition of a nerve tract

Bundles of axons with a similar destination

Identify the 'columns' of white matter on each side of the spinal cord

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