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.

Spinal Cord - Neuromodulation through sacral nerve roots 2 to 4 with a Finetech-Brindley sacral posterior and anterior root stimulator Skip to main content Thank you for visiting nature.com.