spinotectal tract


spi·no·tec·tal tract

[TA] the relatively small component of the anterolateral system that terminates in the intermediate and deep layers of the superior colliculus; part of a larger population of spinomesencephalic fibers that also includes spinal projections to the periaqueductal gray substance (spinoperiaqueductal fibers). Synonym(s): tractus spinotectalis [TA]