tegmental decussation

n.

1. The dorsal tegmental decussation of the left and right tectospinal and tectobulbar tracts, located in the mesencephalon.fountain decussation Meynert’s decussation
2. The ventral tegmental decussation of left and right tracts that control flexor muscle tone, located in the mesencephalon.Forel’s decussation rubrospinal decussation