Yes
Second order neuron cell bodies reside in the dorsal horn of the spinal cord.
efferent
efferent (motor)
motor neuron
Efferent (motor)
Congenital dilatation of posterior horn
Anterior horn cells are motor neurons located in the spinal cord that send signals to muscles to initiate movement. These cells play a critical role in the voluntary control of muscle activity. Diseases that affect the anterior horn cells can result in muscle weakness and paralysis.
For spinal nerves, the general somatic efferent motor neurons have their cell bodies located in the ventral horn of the spinal cord (sometimes also called the anterior horn).Some of your cranial nerves also have motor neurons located in various nuclei of the brainstem.
Efferent (motor)
Some of the better known motor neuron diseases include amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, spinal muscular atrophy (SMA), and primary lateral sclerosis (PLS). These diseases affect the motor neurons in the brain and spinal cord, leading to muscle weakness, atrophy, and impaired movement.
the white matter