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A diffuse network of white longitudinal nerve fibers interspersed with gray matter, located in the brainstem, that regulates various autonomic functions, such as sleep and waking.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a network of neurons in the brainstem involved in consciousness, breathing, and the transmission of sensory stimuli to higher brain centers.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A system of nerve cells in the brain stem, controlling consciousness.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||reticular formation - a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone|
brain stem, brainstem, brain-stem - the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
neural net, neural network - any network of neurons or nuclei that function together to perform some function in the body
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