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Dorsal Nerve Root Ganglia

Dorsal Root Ganglion Anatomy
Dorsal Root Ganglion (Malanowski et al)





Lesion in Dorsal root ganglion of a spinal nerve in the neck is most likely to lead to what type of loss?

A. Sensory
B. Motor
C. Sympathetic
D. Parasympathetic
E. All of the above

Explanation:


The functions of dorsal root ganglia are all associated with the perception of sensations. These include:


  • Nociception
  • Perception of mechanical stimulus upon compression
  • First processing center of the sensory information
  • Role in reflex action


The clinical significance of dorsal root ganglion includes the treatment of chronic pain according to the gate-therapy or via complete resection of the ganglion. The ganglion also serves as a source or reservoir of several viruses such as herpes simplex virus.


References:

https://human-memory.net/dorsal-root-ganglion/

Malinowski M.N., Bremer N.J., Kim C.H. (2019) Dorsal Root Ganglion Stimulation. In: Abd-Elsayed A. (eds) Pain. Springer, Cham. https://doi.org/10.1007/978-3-319-99124-5_189


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