from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The system of cells, tissues, and organs that regulates the body's responses to internal and external stimuli. In vertebrates it consists of the brain, spinal cord, nerves, ganglia, and parts of the receptor and effector organs.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun neuroanatomy An
organsystem that coordinatesthe activities of muscles, monitorsorgans, constructsand processesdata received from the senses, and initiatesactions.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the sensory and control apparatus consisting of a network of nerve cells
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