The most abundant class of neuron in the central nervous system is

The correct answer is: multipolar neurons.

Explanation:

Multipolar neurons are a type of neuron that is characterized morphologically by having one axon and many dendrites. Multipolar neurons are the most abundant in the Central Nervous System (CNS).

Its special morphology allows them to better integrate the information between many neurons, which is why they are concentrated in the brain and the spinal cord. Outside the CNS, multipolar neurons can also be found in autonomic ganglia.