decussation
[ dee-kuh-sey-shuh n, dek-uh- ]
/ ˌdi kəˈseɪ ʃən, ˌdɛk ə- /
noun
a process of becoming or condition of being crossed in the form of an X.
Anatomy. a nerve or tract of nerve fibers that crosses from one side of the central nervous system to the other.
Nearby words
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for decussation
The most anterior is the pyramid or motor tract, the decussation of which has been seen.
This arrangement is termed the decussation of the anterior columns of the medulla.
A Treatise on Physiology and Hygiene|Joseph Chrisman HutchisonPhysicians are not without the use of this decussation in several operations, in ligatures and union of dissolved continuities.
The Works of Sir Thomas Browne|Thomas Browne
Medicine definitions for decussation
decussation
[ dĕk′ə-sā′shən, dē′kə- ]
n.
A crossing in the shape of an X.
An X-shaped crossing, especially of homonymous nerves or bands of nerve fibers, connecting corresponding parts on opposite sides of the brain or spinal cord.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.