dorsal root ganglion
noun
plural dorsal root ganglia
: a ganglion (see ganglion sense 2a) on the dorsal root of each spinal nerve that is one of a series of ganglia lodging cell bodies of sensory neurons
The virus then becomes latent in the sensory dorsal root ganglia. With reactivation, a distinct rash localized to a single dermatome ensues.—
Kelly K. Curtis and Hoenarasipur R. Vikram
Kelly K. Curtis and Hoenarasipur R. Vikramcalled also spinal ganglion
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“Dorsal root ganglion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dorsal%20root%20ganglion. Accessed 4 Nov. 2025.
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dorsal root ganglion
noun
: a ganglion on the dorsal root of each spinal nerve that is one of a series of ganglia containing cell bodies of sensory neurons : spinal ganglion
Although most adults are seropositive for primary varicella zoster infection, the lifetime risk of developing herpes zoster—reactivation of latent varicella-zoster virus residing in dorsal root ganglia after primary infection—is 10%-30%, the investigators noted.—Mary Ann Moon, Skin & Allergy News
—abbreviation DRG
Mary Ann Moon, Skin & Allergy NewsLove words? Need even more definitions?
Merriam-Webster unabridged
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