decussation

[ dee-kuh-sey-shuhn, dek-uh- ]

noun

1. a process of becoming or condition of being crossed in the form of an X .
2. Anatomy. a nerve or tract of nerve fibers that crosses from one side of the central nervous system to the other.

Word History and Origins

Origin of decussation¹

First recorded in 1650–60; decussate + -ion

Example Sentences

Dr. Sommering has shewn, that a true decussation of the optic nerves in the human subject actually exists, Elem.

From Project Gutenberg

Physicians are not without the use of this decussation in several operations, in ligatures and union of dissolved continuities.

From Project Gutenberg

This arrangement is termed the decussation of the anterior columns of the medulla.

From Project Gutenberg

The most anterior is the pyramid or motor tract, the decussation of which has been seen.

From Project Gutenberg

Related Words

• bridge
• crossroad
• intersection
• junction
• overpass
• passage