The front wings (also called horns) contain
motor nerve cells (neurons),
It transmits information from the brain or spinal cord to
muscles, stimulating movement.
The back horns contain sensory nerve cells, which transmit
sensory information from other parts of the body through the spinal
cord to the brain.
Nucleus nervous system
In neuroanatomy, a nucleus (plural form: nuclei) is a cluster
of neurons in the central nervous system, located
deep within the cerebral hemispheres and brainstem.