Dictionary

reticular formation

noun

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

First Known Use of RETICULAR FORMATION

1887

reticular formation

noun    (Medical Dictionary)

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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