reticular formation

American  

noun

1. a network of neurons in the brainstem involved in consciousness, regulation of breathing, the transmission of sensory stimuli to higher brain centers, and the constantly shifting muscular activity that supports the body against gravity.

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reticular formation Scientific  

/ rĭ-tĭk′yə-lər /

1. A complex network of neurons and axons that is located throughout the brainstem. The reticular formation regulates consciousness, sleep, and wakefulness.

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Etymology

Origin of reticular formation

First recorded in 1885–90

Example Sentences

One target is the reticular formation, which influences respiratory and cardiovascular functions in relation to body movements.

From Textbooks • Jun. 19, 2013

The superior colliculus and red nucleus in the midbrain, the vestibular nuclei in the medulla, and the reticular formation throughout the brain stem each have tracts projecting to the spinal cord in this system.

From Textbooks • Jun. 19, 2013

A diffuse region of gray matter throughout the brain stem, known as the reticular formation, is related to sleep and wakefulness, such as general brain activity and attention.

From Textbooks • Jun. 19, 2013

It was a special sensory input to the reticular formation of the brain.

From Tokyo to Tijuana: Gabriele Departing America by Sills, Steven (Steven David Justin)