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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.

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.

Etymology

Origin of reticular formation

First recorded in 1885–90

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.