nervous system definition

  • noun:
    • The system of cells, cells, and body organs that regulates the body's responses to external and internal stimuli. In vertebrates it includes the brain, back, nerves, ganglia, and elements of the receptor and effector body organs.
    • An organ system that coordinates the activities of muscle tissue, screens organs, constructs and operations information obtained from senses, and initiates activities.
    • the sensory and control device composed of a network of neurological cells
  • adjective:
    • the specialized co√∂rdinating equipment which endows animals with sensation and volition. In vertebrates it is often divided into three systems: the central, mind and back; the peripheral, cranial and spinal nerves; together with sympathetic. See Brain, Nerve, spinal-cord, under Spinal, and Sympathetic system, under Sympathetic, and Illust. in Appendix.

Related Sources

  • Definition for "nervous system"
    • The system of cells, cells, and body organs…
    • View More
  • Quotes for "nervous system"
  • Synonym for "nervous system"
  • Hyponym for "nervous system"
  • Cross Reference for "nervous system"
  • Form for "nervous system"
66 votes

How would you define nervous system?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!