The formation of the spinal nerve from the dorsal and ventral roots
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| colspan="2" |
|- style="text-align: center; line-height: 1;" class="hiddenStructure"
| colspan="2" |A spinal nerve with its anterior and posterior roots.
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|Latin
|colspan="2"|radix posterior
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|colspan="2"|[subject #208 ]
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|System
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|Precursor
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|MeSH
|colspan="2"|[A08.800.800.720.725]
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|Dorlands/Elsevier
|colspan="2"|[r_12/12709389]
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In anatomy and neurology, the dorsal root (or posterior root) is the afferentsensory root of a spinal nerve. At the distal end of the dorsal root is the dorsal root ganglion, which contains the neuron cell bodies of the nerve fibres conveyed by the root.