nervous system: Meaning and Definition of

nerv'ous sys"tem

Pronunciation: [key]
— Anat., Zool. Anat.,Zool.
  1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia.
  2. a particular part of this system. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.