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decussation of medial lemniscus


Definition: the intercrossing of fibers of left and right gracile and cuneate nuclei, immediately rostral to the level of the decussation of the pyramidal tracts in the medulla oblongata. After having crossed, these fibers coalesce to form the medial lemniscus.

Synonym(s): decussatio lemnisci medialesTA, decussatio sensoria, decussation of the fillet, sensory decussation of medulla oblongata

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.