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

Example Sentences

Recent Examples on the Web Mercury can affect the nervous system and kidneys; the World Health Organization says fetuses are especially vulnerable to birth defects via exposure in a mother’s womb. Drew Costley, ajc, 17 Feb. 2023 The disorder affects the nervous system and can lead to symptoms such as hand tremors, slowed movement, stiffness, poor posture and balance, speech and writing changes, and difficulties with blinking or smiling, per the Mayo Clinic. Sabrina Talbert, Women's Health, 30 Jan. 2023 Nature is proven to help soothe the nervous system, and Suber makes nature an integral part of her planning. Bianca Lambert, Essence, 11 Jan. 2023 The rare disorder can cause inflammation and tissue damage that affects the skin, joints and nervous system, according to the National Institutes of Health. Ashley R. Williams, USA TODAY, 5 Mar. 2023 So, my survival mechanism was … a little bit freeze, a little but fight, but mostly the appease response, which is to kind of co-regulate this person's nervous system. Fox News, 1 Mar. 2023 Pablo Neruda’s teeth showed signs of Clostridium botulinum, a bacterium that produces a neurotoxin that paralyzes muscles and the nervous system and can eventually lead to death. Byscience News Staff, science.org, 23 Feb. 2023 Network Communications As the nervous system of AI itself, network communications will see the most benefit from AI over the next five years. Expert Panel®, Forbes, 21 Feb. 2023 Without a digestive system to ingest food or a nervous system to sense the surrounding environment, the organisms lived for just days. IEEE Spectrum, 13 Feb. 2023 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nervous system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1703, in the meaning defined above

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

Dictionary Entries Near nervous system

Cite this Entry

“Nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nervous%20system. Accessed 28 Mar. 2023.

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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