Dermatomes: Definition, Chart, And Diagram

Dermatomes: Definition, Chart, And Diagram

Question 1. Write a short note on dermatome.
Answer.

Dermatome:

The area of skin supplied by a single spinal nerve, and therefore a single spinal segment is termed dermatome. With the exception of the C1 spinal nerve, all the spinal nerves are associated with a specific dermatome.

“Importance Of Dermatomes In Diagnosing Nerve Damage”

“Risk Factors For Issues With Dermatome Mapping”

Question 2. Write a short note on referred pain.
Answer.

The pain arising from viscera is not felt at the site of diseased viscera but refers to an area of skin supplied by the nerve arising from the same spinal segment or segments that supply the viscera. For example, pain of the appendix (due to appendicitis) refers to the skin around the umbilicus because both the appendix and the skin around the umbilicus are supplied by the T10 spinal segment. The important sites of referred pain.

Important Sites of Referred Pain

“How Do Dermatomes Impact Clinical Diagnosis”