Axons of Motor Neurons First Leave the Spinal Cord Through

Question

Axons of motor neurons first leave the spinal cord through the:
A) spinal nerve.
B) ventral roots.
C) dorsal roots.
D) dorsal root ganglion.

Accepted Answer

Motor neurons originate in the ventral horn of the spinal cord and their axons travel out of the spinal cord through the ventral roots. The dorsal roots are involved in sensory information entering the spinal cord, while the dorsal root ganglion contains the cell bodies of sensory neurons.