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.
Synonyms: fibrae spinomesencephalicae
The definition information for spinomesencephalic fibers is provided by Stedman's. You can search our medical dictionary here.