nervous system

noun

: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system

Examples of nervous system in a Sentence

Recent Examples on the Web
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The massive shock to the nervous system can create a sense of disintegration and fragmentation, coupled with intense emotions such as crying, shallow breathing or lashing out. Bryan Robinson, Forbes.com, 16 May 2025 Icy cold plunges reset my nervous system — like a computer reboot — reminding me to release with every breath. Courtney Wittich, Los Angeles Times, 13 May 2025 Her nervous system is being taken over by this thing. Katcy Stephan, Variety, 12 May 2025 The National Weather Service said that burns seldom occur from lightning strikes, but the nervous system can be harmed. Bill Kearney, Sun Sentinel, 12 May 2025 See All Example Sentences for nervous system

Word History

First Known Use

1703, in the meaning defined above

Time Traveler
The first known use of nervous system was in 1703

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Cite this Entry

“Nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nervous%20system. Accessed 22 May. 2025.

Kids Definition

nervous system

noun
: the bodily system that receives stimuli, decides on their importance, and sends nerve impulses to the organs of action and that in vertebrates is made up of brain and spinal cord, nerves, ganglia, and parts of the receptor organs

Medical Definition

nervous system

noun
: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system

More from Merriam-Webster on nervous system

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