DrVirgo
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Sympathetic Nervous system is Thoracolumbar outflow
Parasymp. Nervous system is Craniosacral outflow.
Is there ANY Autonomic outflow from the cervical segments?
Besides the Brachial plexus (C5-T1) what else does cervical outflow go to?
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| mildus
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No autonomic centers in cervical segments of spinal cord!
Cervical nerves go to Cervical plexus (C1-C4) and to Brachial plexus (C5-Th1)
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| DrVirgo
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Right. NO autonomic fibers from Cervical>
What do 1-4 innervate?
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| mildus
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C3-C5 phrenic nerve (inervation of diaphragm)
C1-C4 motor innervation of cervical muscles (prevertebral and scalen muscles) and with glossopharyngeal nerve inervation of trapezius and sternocleidomastoid muscle
C1-C4 sensory branches: occipitalis minor, auricularis magnus, transversus colli, supraclavicular nerves (skin of the neck, part of the face and the thorax)
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| satyaking
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Well Mildus I think CN. 11 Inervate trapezoid and sternocleidomastoid not Glossopharyngeal n.
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| msyamp
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yup mildus. i hope you have put it by mistake
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| mildus
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Oh sorry, you are right, it was a mistake. It is CN XI
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| DrVirgo
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Thanks mildus.
Great explantion. 
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