A dermatome is an area of skin supplied by sensory neurons that arise from a spinal nerve ganglion.
2.
When the virus reactivates, it usually does so in just one nerve ganglion, destroying that nerve and producing the intense, characteristic pain that is a clear signal to see a doctor, fast.
3.
The free living conditions of cystacanths in the hemocoelomic cavity of the intermediate host maybe interpreted as the direct way of altering the dopamine metabolic pathway . The alteration of dopamine levels in the hemolymph system implies that there is a generalized effect of the parasite on the body of its intermediate host, rather than an effect on the nerve ganglion level.