Dictionary

decussation

noun de·cus·sa·tion \ˌde-kə-ˈsā-shən, ˌdē-ˌkə-\

Definition of DECUSSATION

1
:  the action of crossing (as of nerve fibers) especially in the form of an X
2
:  a crossed tract of nerve fibers passing between centers on opposite sides of the nervous system

First Known Use of DECUSSATION

circa 1656

decussation

noun de·cus·sa·tion \ˌdē-(ˌ)kə-ˈsā-shən\   (Medical Dictionary)

Medical Definition of DECUSSATION

1
:  the action of intersecting or crossing (as of nerve fibers) especially in the form of an X—see decussation of pyramids
2
a :  a band of nerve fibers that connects unlike centers on opposite sides of the nervous system b :  a crossed tract of nerve fibers passing between centers on opposite sides of the central nervous system :  commissure

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Next Word in the Dictionary: decussation of the pyramidsPrevious Word in the Dictionary: decussate (adjective)All Words Near: decussation
May 29, 2015
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