In the spinal cord, white matter is separated into ascending and descending tracts organized as
A) nuclei.
B) ganglia.
C) columns.
D) nerves.
E) horns.
Question 2
Nerve tracts or fasciculi make up the
A) central canal.
B) posterior gray horns.
C) gray commissures.
D) white columns.
E) anterior gray horns.