Thoracic Nerve Diagram [best]

Here's a simplified diagram of the thoracic nerves:

Each thoracic nerve exits the vertebral canal via the (below its corresponding vertebra). Immediately after exiting, it divides into two primary branches: thoracic nerve diagram

All thoracic nerves carry via white and gray rami communicantes to the sympathetic trunk (which runs paravertebrally). This is clinically vital: Here's a simplified diagram of the thoracic nerves:

The term “dermatome” is a combination of two Greek words; “derma” meaning “skin”, and “tome”, meaning “cutting” or “thin segment”. Cleveland Clinic Thoracic Spine: What It Is, Function & Anatomy “derma” meaning “skin”

These run in the (between the internal and innermost intercostal muscles), accompanied by the intercostal artery and vein (VAN arrangement: Vein, Artery, Nerve from superior to inferior).