decussation
Americannoun
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a process of becoming or condition of being crossed in the form of an X .
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Anatomy. a nerve or tract of nerve fibers that crosses from one side of the central nervous system to the other.
Etymology
Origin of decussation
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Scattered in the “reticular substance” of the medulla from the upper end of the fourth ventricle to the pyramidal decussation, they merit the collective designation of reticular ganglia.
From Project Gutenberg
Accordingly, the sensory fibres from the right and left sides interlace each other in the gray matter; this arrangement has been termed the decussation, or crossing of these fibres.
From Project Gutenberg
The pons possesses a median raphe continuous with that of the medulla oblongata, and formed like it by a decussation of fibres in the mesial plane.
From Project Gutenberg
He described the decussation of the optic nerves and the capsule of the crystalline lens, and gave the first clear description that has survived of the structure of the eye.
From Project Gutenberg
He was the first scientist to work out the physiology of the spinal cord, demonstrating that the decussation of the sensory fibres is in the cord itself.
From Project Gutenberg
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.
