The spinal cord is dorsal neural cord
of . It is the part the
central nervous system continues
in the trunk facilitate the nervous
integration the whole body.

The cord is made of of
neurons situated in central portion
forming the matter and of axon
in its exterior portion the
white matter. Neural connect to
both lateral ofthe spinal cord
segments form the dorsal and
spinal roots that join form the spinal
nerves. dorsal spinal roots present
ganglion with neurons that
sensory information; the ventral
roots contain motor fibers.
the dorsal roots are roots and
the ventral are motor roots.