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Related to decussation: decussation of pyramids
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  • noun

Synonyms for decussation

an intersection or crossing of two tracts in the form of the letter X

References in periodicals archive ?
This is because of complete decussation of the optic nerve fibers at the optic chiasm and then again between the pretectal nucleus and the parasympathetic nucleus of cranial nerve III.
The lack of peduncular decussation often results in a superior vermian cleft.
Motor fiber decussation may extend from obex to C1, and a high lesion in this LST can cause contralateral leg weakness (34).
Two sutures intersected the outside of the wound (just decussation without the knot).
During development, decreased melanin synthesis in the retinal pigment epithelium results in foveal hypoplasia and dysregulation of adjacent retinal ganglion cells, and consequently, misrouted decussation of the nerve fibres connecting the retina to the brain at the optic chiasm.
1) This appearance is a result of absence or hypoplasia of the cerebellar vermis, lack of normal dorsal decussation and consequent enlargement of the superior cerebellar peduncles which follow a more horizontal course as they extend perpendicularly to the brainstem between the midbrain and the cerebellum.