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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Many also claim that the minerals help reduce blood pressure and calm the nervous system, thus soothing stress and improving sleep quality. Alice Nardiotti, Vogue, 10 Apr. 2025 Paleontologist Joanna Wolfe of Harvard University, one of the authors of the 2023 study, notes that researchers noticed some insects and crustaceans had the same structures in their eyes and nervous systems. Riley Black, Smithsonian Magazine, 9 Apr. 2025 Their nervous system, conditioned to expect conflict, might start associating drama with familiarity and safety. Mark Travers, Forbes.com, 2 Apr. 2025 The virus can directly invade the nervous system and also damage it by causing inflammation. Peter Kasson, The Conversation, 31 Mar. 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

Browse Nearby Words

Cite this Entry

“Nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nervous%20system. Accessed 15 Apr. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!