- the posterior tegmental decussation [TA] (dorsal tegmental decussation [TA], fountain decussation, Meynert decussation) is formed by the crossing of the left and right tectospinal and tectobulbar tracts;
- the anterior tegmental decussation [TA] (ventral tegmental decussation [TA], Forel decussation) is formed by the crossing of the left and right rubrospinal and rubrobulbar tracts; both decussations are located in the mesencephalon.
Synonym(s): decussationes tegmentalesTA
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