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decussation

DEFINITIONS OF: decussation

1

n an intersection or crossing of two tracts in the form of the letter X

Synonyms:
chiasm, chiasma
Types:
chiasma opticum, optic chiasm, optic chiasma
the crossing of the optic nerves from the two eyes at the base of the brain
Type of:
anatomical structure, bodily structure, body structure, complex body part, structure
a particular complex anatomical part of a living thing
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