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spinomesencephalic fibers

 

Definition: a composite group of fibers traveling in the anterolateral system (spinal lemniscus) and ending in the mesencephalon; includes spinotectal fibers [TA] to the deeper layers of the superior colliculus and spinoperiaqueductal fibers [TA] that terminate in the periaqueductal gray matter.

Synonym(s): fibrae spinomesencephalicaeTA

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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