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
Dictionary Entries Near reticular formation
Cite this Entry
“Reticular formation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reticular%20formation. Accessed 21 Sep. 2023.
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Medical Definition
reticular formation
noun
: a mass of nerve cells and fibers situated primarily in the brain stem and functioning upon stimulation especially in arousal of the organism
called also reticular substance
More from Merriam-Webster on reticular formation
Britannica.com: Encyclopedia article about reticular formation
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