Because spinal nerves exit the spine laterally, dermatomes associated with the torso and core are distributed horizontally. When viewed on a body map, they appear like stacked discs. The dermatome ...

However, dermatome maps are a good guide to where they lie ... The seven dermatomes associated with cervical nerves include: The thoracic dermatomes travel downward from where their nerves emerge ...

Dermatomes are areas of skin, each of which is connected to a single spinal nerve. Together, these areas create a surface map of the body. Dysfunction or damage to a spinal nerve can trigger ...