Dictionary > Dorsal root ganglion

Dorsal root ganglion

noun, plural: dorsal root ganglia
(neuroanatomy) The ganglion on the dorsal root of every spinal nerve. It is where the cell bodies of sensory neurons are located; hence, it is chiefly involved in the transmission of sensory information.
In vertebrates, there are two major groups of ganglia: the dorsal root ganglia and the autonomic ganglia. The ganglia located near and associated with the spinal nerves are the dorsal root ganglia. The cell bodies of sensory neurons are found in these ganglia. The other group is called autonomic ganglia.
Synonym: spinal ganglion
Compare: autonomic ganglion

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