decussation

Dr. Sommering has shewn, that a true decussation of the optic nerves in the human subject actually exists, Elem.

Physicians are not without the use of this decussation in several operations, in ligatures and union of dissolved continuities.

This arrangement is termed the decussation of the anterior columns of the medulla.

The most anterior is the pyramid or motor tract, the decussation of which has been seen.