reticular activating system

noun

: a part of the reticular formation that extends from the brain stem to the midbrain and thalamus with connections distributed throughout the cerebral cortex and that controls the degree of activity of the central nervous system (as in maintaining sleep and wakefulness and in making transitions between the two states)

Dictionary Entries Near reticular activating system

reticular

reticular activating system

reticular cell

Cite this Entry

“Reticular activating system.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/reticular%20activating%20system. Accessed 12 Dec. 2024.

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