decussate adj : crossed or intersected in the form of an X [syn: intersectant, intersecting] v : cross or intersect so as to form a cross; "this nerve decussates the other"; "the fibers decussate"
- From decussis, 10. (X).
Decussation is used in biological contexts to describe a crossing.
In the brainExamples in the brain include:
Here, a decussation refers to the crossing of millions of axons. To achieve this, there needs to be a tight control in order to have as few errors as possible. The advantage of having such a complicated system may be to compensate for the 180 degree inversion in visual perception through the eye. In addition, it may provide a more robust structure.