Definition: 'Spinomesencephalic Fibers'
spinomesencephalic fibersType: Term
1. 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.
The information shown above for spinomesencephalic fibers is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.