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Spine and Nerve Anatomy

Chapter 5

Neural Routing in the Spinal Cord & Nerves
The ventral (anterior) gray matter of the spinal cord contains nerve cells that send axon fibers out, through the nerves, to their end points on the muscles that they activate. Sensory information from the body and arriving instructions from the brain all cause movement by giving instructions to these "motor neurons" in the spinal cord gray matter.