| a ganglion on the dorsal root of each spinal nerve, containing the cell bodies of sensory nerves. |

| spinal ganglion n. Any of the sensory ganglia situated on the dorsal root of each spinal nerve. |
spinal ganglion n.
The ganglion of the posterior root of each spinal segmental nerve, containing the cell bodies of the unipolar primary sensory neurons. Also called dorsal root ganglion.