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from Wikipedia, the free encyclopedia

Spinal cord

The spinal cord is a part of the vertebrate nervous system that is enclosed in and protected by the vertebral column (it passes through the spinal canal).

It consists of nerve cells.

The cord conveys the 31 spinal nerve pairs of the peripheral nervous system, as well as central nervous system pathways that innervate skeletal muscles.

Note:   The above text is excerpted from the Wikipedia article "Spinal cord", which has been released under the GNU Free Documentation License.
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July 7, 2015

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