| dorsal tegmental decussation | See: tegmental decussations. (05 Mar 2000) |
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| optic decussation | <anatomy> The anatomic point of crossing or decussation of the optic nerve fibres. most of the nerve fibres cross to the opposite side. (27 Sep 1997) |
| tectospinal decussation | See: tegmental decussations. (05 Mar 2000) |
| Forel's decussation | The dorsal tegmental decussation (fountain or Meynert's decussation, decussatio fontinalis) of the left and right tectospinal and tectobulbar tracts, the ventral tegmental decussation (rubrospinal or Forel's decussation) of the left and right rubrospinal and rubrobulbar tracts; both are located in the mesencephalon. Synonym: decussationes tegmenti. (05 Mar 2000) |
| fountain decussation | See: tegmental decussations. (05 Mar 2000) |