Dorsal ramus of spinal nerve

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The posterior (or dorsal) branches (or divisions) of the spinal nerves are as a rule smaller than the anterior divisions.

They are directed backward, and, with the exceptions of those of the first cervical, the fourth and fifth sacral, and the coccygeal, divide into medial and lateral branches for the supply of the muscles and skin of the posterior part of the trunk.

See also

• Dorsal root

Additional images

External links

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Last updated on Wednesday April 16, 2008 at 23:11:18 PDT (GMT -0700)
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