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
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Diagnosed at 2 years old, the rare disorder affects Limaye's central nervous system, forcing her to use a walker to get around. Leondra Head, CBS News, 12 May 2026 For decades, festivals functioned as a central nervous system for discovery, press, acquisition, and audience. Dana Harris-Bridson, IndieWire, 8 May 2026 Researchers found that hobbies can support the endocrine, immune and central nervous systems, and that stronger biological function may help reduce the risk of heart disease, stroke, dementia and some cancers. Hanna Wickes, Miami Herald, 7 May 2026 Adenosine is a neuromodulator in the central nervous system that regulates sleep pressure — and caffeine works by blocking the receptors adenosine binds to, not by removing adenosine itself. Samantha Agate, Sacbee.com, 5 May 2026 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

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Cite this Entry

“Central nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/central%20nervous%20system. Accessed 17 May. 2026.

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

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