reticular formation

noun

Definition of reticular formation

: 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

First Known Use of reticular formation

1887

in the meaning defined above

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Medical Dictionary

reticular formation

noun

medical Definition of reticular formation

: 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

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