decussation
noun
de·cus·sa·tion
| \ ˌde-kə-ˈsā-shən
, ˌdē-ˌkə-
\
, 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
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More Definitions for decussation
decussation
noun
de·cus·sa·tion
| \ ˌdē-(ˌ)kə-ˈsā-shən
\
\
Medical Definition of decussation
1
: the action of intersecting or crossing (as of nerve fibers) especially in the form of an X — see pyramidal decussation
2a
: 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