In
anatomy and
neurology, the 'dorsal root
ganglion' (or 'spinal ganglion') is a nodule on a
dorsal root that contains cell bodies of
neurons in
afferent spinal nerves.
All of the
axons in the dorsal root convey
somatosensory information, bringing sensory information into the
brain and
spinal cord. These neurons are of the
pseudo-unipolar type, meaning they have two axons, one that conveys sensory information from the body to the soma of the neuron and one from the soma to the junction in the dorsal horn of the spinal cord.
The dorsal root ganglia lie along the vertebral columna by the spine.
Origin
The dorsal root ganglia develops in the embryo from
neural crest cells.
See Also
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Ventral root
Additional images
External links
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Photo of model
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Diagram
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