de·cus·sate (d -k s  t , d k -st)v. To cross or become crossed so as to form an X; intersect. adj. Intersected or crossed in the form of an X. |
decussate
[dəkus′āt]
Etymology: L, decussis, intersection
to cross in the form of an "X," as certain nerve fibers from the retina cross at the optic chiasm. decussation, n.
decussate
1. to cross especially in the form of Y.
2. crossed especially like the letter Y.
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