DORSAL ROOT By N., Pam M.S. - April 7, 2013 A spinal root conveying sensory nerve fibres and entering the spinal cord dorsally. Also called posterior root. Compare ventral root. DORSAL ROOT: "The dorsal root conveys sensory nerve fibres." Related Psychology Terms SPINAL ROOT DORSAL STREAM GRAY RAMUS GRAY COMMISSURE WHITE COMMISSURE DESCENDING TRACT ANTERIOR HORN MOTOR TRACT DORSAL HORN VENTRAL ROOT Cite this page: N., Pam M.S., "DORSAL ROOT," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/dorsal-root/ (accessed March 31, 2020).