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Reference.org
Dorsal root of spinal nerve
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<p>The dorsal root of spinal nerve (or posterior root of spinal nerve or sensory root) is one of two "roots" which emerge from the <a href="/facts/Spinal_cord/XbWLr917">spinal cord</a>. It emerges directly from the spinal cord, and travels to the <a href="/facts/Dorsal_root_ganglion/7BGJkVxV">dorsal root ganglion</a>. Nerve fibres with the <a href="/facts/Ventral_root_of_spinal_nerve/f6V4RD2G">ventral root</a> then combine to form a <a href="/facts/Spinal_nerve/qBQyUIKh">spinal nerve</a>. The dorsal root transmits <a href="/facts/Somatosensory_system/0nhRsBnt">sensory</a> information, forming the <a href="/facts/Afferent_nerve/0JVWPqKP">afferent</a> sensory root of a spinal nerve. </p>