Answer:
The anterior gray horn, posterior gray horn and lateral gray horns contain myelinated fibers.
Explanation:
The spinal cord is the long rod like structures that provide the common point for the extension of all the nerves. Spinal cord together with the brain constitute the central nervous system.
The spinal cord has different arrangement of white and grey matter in the horns that are located posteriorly, anteriorly and laterllay. These horns have the myelinated fibers that increase the speed of teh transmission of the nerve impulse.
Thus, the correct answer is option (b).
