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the part of the nervous system comprising the brain and spinal cord.
the mass of nerve tissue that controls and coordinates the activities of an animal. In vertebrates it consists of the brain and spinal cord CNS Compare autonomic nervous system

central nervous system n.
Abbr. CNS
The portion of the vertebrate nervous system consisting of the brain and spinal cord. Also called cerebrospinal axis.
central nervous system
The part of the nervous system in vertebrate animals that consists of the brain and spinal cord. Compare peripheral nervous system.

The brain and spinal cord. (See nervous system).


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