dorsal tegmental decussation


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Related to dorsal tegmental decussation: ventral tegmental decussation

teg·men·tal de·cus·sa·tions

1. 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;
2. 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 tegmentales [TA]

dorsal tegmental decussation

The crossing, in the dorsal section of the midbrain tegmentum, of descending axons from the superior colliculus to form the tectospinal tracts.
See also: decussation
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