central nervous system

noun

: the part of the nervous system which in vertebrates consists of the brain and spinal cord, to which sensory impulses are transmitted and from which motor impulses pass out, and which coordinates the activity of the entire nervous system compare peripheral nervous system

Examples of central nervous system in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Current studies reveal that CBG has therapeutic effects of reducing inflammation, protecting the central nervous system, managing pain, helping metabolic syndrome, and even aiding cancer treatment. Lisa Jhung, Outside Online, 20 Apr. 2025 The virus affects the central nervous system, ultimately causing brain dysfunction. Melissa Rudy, FOXNews.com, 27 Mar. 2025 Rabies is a fatal but preventable viral disease that primarily affects the central nervous system, according to the CDC. Mary Walrath-Holdridge, USA Today, 27 Mar. 2025 My son Jack was diagnosed in 2022 with retinoblastoma, a malignant childhood cancer of the central nervous system that originates and grows in the eye. Dayna Copeland, The Mercury News, 15 Mar. 2025 See All Example Sentences for central nervous system

Word History

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of central nervous system was in 1826

Browse Nearby Words

Cite this Entry

“Central nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/central%20nervous%20system. Accessed 18 May. 2025.

Kids Definition

central nervous system

noun
: the part of the nervous system that in vertebrates consists of the brain and spinal cord

Medical Definition

central nervous system

noun
: the part of the nervous system which in vertebrates consists of the brain and spinal cord, to which sensory impulses are transmitted and from which motor impulses pass out, and which supervises and coordinates the activity of the entire nervous system compare autonomic nervous system, peripheral nervous system

More from Merriam-Webster on central nervous system

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!