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 Octopuses have as many neurons as dogs – around 500 million – and a larger nervous system than all other invertebrates. Clare Mulroy, USA TODAY, 4 Apr. 2024 This constellation of changes to the nervous system leaves the child in a heightened state of fear, either fleeing or fighting to cope with an unsafe world. Marc D. Hauser, TIME, 3 Apr. 2024 The groups’ petition also detailed the dangers to human health of the odorless pesticide, which works by attacking the nervous system. Melody Petersen, Los Angeles Times, 3 Apr. 2024 If the machine is the nervous system and the settings are direct behavior, the Stellschrauben are the biological switches, triggers and knobs that, with just a little tweak, change an animal’s conduct dramatically enough to have evolutionary consequences. Quanta Magazine, 11 Mar. 2024 According to the Mayo Clinic, Parkinson's is a progressive disorder that affects the nervous system as well as parts of the body controlled by the nerves. Democrat-Gazette Staff From Wire Reports, arkansasonline.com, 4 Mar. 2024 These send signals to one another, and across the nervous system, by way of electrical impulses. William A. Haseltine, Forbes, 29 Feb. 2024 Our nervous system, which involves the brain, spinal cord and a complex system of nerves, exerts control over our hand movements. Sabrina Sholts, Smithsonian Magazine, 12 Mar. 2024 Primary progressive aphasia is a nervous system syndrome that affects a person's ability to communicate, according to Mayo Clinic. Minyvonne Burke, NBC News, 22 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nervous system.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 18 Apr. 2024.

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

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