decussatio


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de·cus·sa·ti·o

, pl.

de·cus·sa·ti·o·nes

(dē'kŭ-sā'shē-ō, -ō'nēz), [TA]
1. In general, any crossing over or intersection of parts.
2. The intercrossing of two homonymous fiber bundles as each crosses over to the opposite side of the brain in the course of its ascent or descent through the brainstem or spinal cord.
Synonym(s): decussation
[L. (see decussate)]
Farlex Partner Medical Dictionary © Farlex 2012

de·cus·sa·ti·o

, pl. decussationes (dē'kŭ-sā'shē-ō, -nēz) [TA]
1. In general, any crossing over or intersection of parts.
2. The intercrossing of two homonymous fiber bundles as each crosses over to the opposite side of the brain in the course of its ascent or descent through the brainstem or spinal cord.
Synonym(s): decussation.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012