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

Plus, loss of shuteye puts your body under physiological stress, messing with your nervous system and potentially shuttling higher levels of cortisol and adrenaline through your system, all of which piles onto the inflammatory effect. —Erica Sloan, SELF, 18 Dec. 2024

In February, the broadcast veteran shared she had been diagnosed with primary progressive aphasia, a rare nervous system syndrome, and dementia. —Demicia Inman, VIBE.com, 16 Dec. 2024

This makes choline essential for brain and nervous system health, especially during a fetus's development.1 Choline must come from dietary sources. —Merve Ceylan, Health, 9 Dec. 2024

The fermentation process in kombucha creates tyramine—a compound that stimulates your nervous system—and trace amounts of caffeine. —Bryan Robinson, Forbes, 7 Dec. 2024

Word History

First Known Use

1703, in the meaning defined above

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