Bundles of Axons in the Central Nervous System are Known

Question

Bundles of axons in the central nervous system are known as
A) tracts.
B) ganglia.
C) nuclei.
D) horns.
E) commissures.

Accepted Answer

Bundles of axons (nerve fibers) in the central nervous system are called tracts. Ganglia are clusters of cell bodies in the peripheral nervous system, nuclei are clusters of cell bodies in the central nervous system, horns are projections of gray matter in the spinal cord, and commissures are bundles of axons that allow communication between the two hemispheres of the brain.