Reference Terms
from Wikipedia, the free encyclopedia

Central nervous system

The central nervous system (CNS) represents the largest part of the nervous system, including the brain and the spinal cord.

Together with the peripheral nervous system, it has a fundamental role in the control of behavior.

The CNS is contained within the dorsal cavity, with the brain within the cranial subcavity, and the spinal cord in the spinal cavity.

Note:   The above text is excerpted from the Wikipedia article "Central nervous system", which has been released under the GNU Free Documentation License.
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May 24, 2015

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updated 12:56 pm ET