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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
This leads to inflammation throughout your body, including in your central nervous system (your brain and spinal cord).
—Jillian Kubala, Rd, Health, 8 Jan. 2025
This could allow therapies that were previously ineffective — due to their inability to cross the blood-brain barrier to reach their target in the central nervous system — to directly target tissues.
—Melissa Rudy, Fox News, 31 Dec. 2024
More than 13% of revenue comes from pharmaceutical intermediaries used in drugs to battle cardiovascular and central nervous system diseases, in addition to cancer medications.
—Anu Raghunathan, Forbes, 19 Dec. 2024
The drug also modifies how pain signals are processed in the central nervous system, and is also often prescribed to treat neuropathic pain caused by conditions such as diabetes, fibromyalgia and chronic musculoskeletal pain.
—Joseph Epstein, Newsweek, 10 Dec. 2024
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Word History
First Known Use
1826, in the meaning defined above
Time Traveler
The first known use of central nervous system was
in 1826
Dictionary Entries Near central nervous system
Cite this Entry
“Central nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/central%20nervous%20system. Accessed 30 Jan. 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
Britannica.com: Encyclopedia article about central nervous system
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