Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The portion of the vertebrate nervous system consisting of the brain and spinal cord.
from the GNU version of the Collaborative International Dictionary of English.
- noun the portion of the vertebrate nervous system consisting of the brain and spinal cord; -- abbreviated
CNS .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun neuroanatomy In
vertebrates , that part of thenervous system comprising thebrain ,brainstem andspinal cord .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the portion of the vertebrate nervous system consisting of the brain and spinal cord
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