A dermatome is an area of skin supplied by a single spinal nerve. There are 31 pairs of spinal nerves, forming nerve roots that branch from your spinal cord, but only 30 dermatomes. Your spinal ...

Dermatomes are areas of skin, and each communicates with the brain via a single nerve. Here, find out more about the relationship between nerves and dermatomes.

Medically reviewed by Lauren Schlanger, MD A dermatome is an area of skin that gets its sensation from a specific spinal nerve root. Spinal nerves exist in 31 pairs, one on each side of the spine.

A dermatome is a specific area of skin that’s served by a single spinal nerve. All but one of your spinal nerves transmits sensory information from this area back to the CNS. So how many nerves ...

Nerve conduction was normal in the dermatomes above and below the affected areas. We diagnosed a postherpetic pseudohernia. After three months, the bulge had improved but not resolved completely.