Final answer:
A major lymph plexus is typically associated with the spinal cord, one of the key components of the central nervous system.
Step-by-step explanation:
A major lymph plexus can be found in the vicinity of the spinal cord. The lymphatic system is integral to our immune system and is dispersed throughout the body, including major plexuses located near vital structures such as the spinal cord.
Now addressing the provided reference information:
- In the peripheral nervous system, a bundle of axons is referred to as a nerve.
- The parasympathetic nervous system is a component of the autonomic nervous system which is not under direct control of the peripheral nervous system.
- The embryologic development of the peripheral nervous system is associated with the neural crest.
- The central nervous system is comprised of the brain and spinal cord.
- The portion of the ventricular system found within the diencephalon is the third ventricle.