Also known as: sn.
SN has various meanings in the Medicine category. Discover the full forms, definitions, and usage contexts of SN in Medicine.
One of the 31 pairs of nerves originating from the spinal cord. It leaves the vertebral column by two roots and contains both motor and sensory components. At the point of exit between two vertebrae the spinal nerve is susceptible to compression trauma which may cause pain, paralysis or numbness at points distal to the site of the lesion.
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