reticular formation

noun

: a mass of nerve cells and fibers situated primarily in the brain stem that plays an important role in controlling autonomic functions (such as respiration), reflexive movement, posture and balance, and consciousness and the sleep-wake cycle

Word History

First Known Use

1887, in the meaning defined above

Time Traveler

The first known use of reticular formation was in 1887

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Cite this Entry

Style

“Reticular formation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reticular%20formation. Accessed 25 Nov. 2024.

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