[Neuroscience] Re: Are the dorsal roots parts of the somatic nervous system?

r norman via neur-sci%40net.bio.net (by r_s_norman from comcast.net)
Sat Jul 18 07:13:11 EST 2009


On Fri, 17 Jul 2009 20:57:44 -0700 (PDT), GreenXenon
<glucegen1x from gmail.com> wrote:

>Hi:
>
>Are the dorsal roots parts of the somatic nervous system?

The distinction between somatic and autonomic is primarily a
functional one.  Do you say that the spinal cord is part of the
somatic nervous system?  Both somatic and autonomic use the spinal
cord and both somatic and autonomic use the dorsal roots.   So the
dorsal roots are sensory, both somatic and autonomic.  However the
sensory side of the autonomic system at the spinal level  is often
ignored in elementary treatments, leaving the impression that the
dorsal roots are  somatic.





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