| 释义 |
DictionarySeedecussationdorsal tegmental decussation
teg·men·tal de·cus·sa·tions1. 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 decussationThe crossing, in the dorsal section of the midbrain tegmentum, of descending axons from the superior colliculus to form the tectospinal tracts.See also: decussation |