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Reticular Activating System (RAS):

The system of nerve fibers that go from the reticular formation at the base of the brain throughout the higher brain centers that are involved in general arousal.



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Information and definitions of the medical conditions and diseases have been taken from various reliable government publications and we have done our best to verify their accuracy. If you feel any of the definitions are incorrect or needs to be updated please contact us and we will look into it.


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