nervous system

noun

Definition of nervous system

: 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

Zika causes fever in adults and may trigger Guillain-Barré syndrome, an autoimmune disease of the nervous system. The Economist, "Armed with smartphones, Colombians are taking on the local mozzies," 4 July 2019 Anticholinergic drugs work by blocking a brain chemical called acetylcholine, which is critical for regulating muscles and for controlling messages sent to the nervous system. Alice Park, Time, "Despite the Headlines, We Don't Yet Know If Anticholinergic Drugs Contribute to Dementia Risk," 26 June 2019 The goal is to help a surgeon avoid causing permanent damage to the nervous system. Jon Hamilton, Dallas News, "Austin woman's spinal surgery brings back-breaking $94,000 bill a year later," 20 June 2019 That led quickly to the rediscovery of bioelectric signaling in many kinds of cells beyond the nervous system. Sally Adee, Quartz, "Our bodies are full of electricity that could help us fight cancer," 30 May 2019 If left untreated, the infection can spread to joints, the heart and the nervous system, according to the CDC. Lawrence Andrea, Milwaukee Journal Sentinel, "Lawmakers want to combat Lyme disease with more signs, insect repellent in public parks," 24 June 2019 In particular, breathing exercises quiet the mind and weaken the fight-or-flight branch of the nervous system, a key feature of insomnia. Mayo Oshin, Quartzy, "Five scientifically proven ways to fall asleep faster," 19 June 2019 Today’s artificial intelligence systems, including the artificial neural networks broadly inspired by the neurons and connections of the nervous system, perform wonderfully at tasks with known constraints. Quanta Magazine, "New AI Strategy Mimics How Brains Learn to Smell," 18 Sep. 2018 Its normal job within the nervous system is to help brain and muscle communicate. Ian Haydon, Scientific American, "Enzymes versus Nerve Agents: Designing Antidotes for Chemical Weapons," 11 Apr. 2017

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.

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First Known Use of nervous system

1703, in the meaning defined above

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Statistics for nervous system

Last Updated

17 Jul 2019

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The first known use of nervous system was in 1703

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More Definitions for nervous system

nervous system

noun

English Language Learners Definition of nervous system

: the system of nerves in your body that sends messages for controlling movement and feeling between the brain and the other parts of the body

nervous system

noun

Kids Definition of nervous system

: a system of the body that in vertebrates includes the brain, spinal cord, nerves, and sense organs and receives, interprets, and responds to stimuli from inside and outside the body

nervous system

noun

Medical Definition of nervous system

: 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

Britannica English: Translation of nervous system for Arabic Speakers

Britannica.com: Encyclopedia article about nervous system

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