Thoracic Nerve Distribution 【2026】

The thoracic nerves are distributed throughout the thoracic region, including:

The intercostal nerves can be further divided into three main branches: thoracic nerve distribution

Each thoracic nerve communicates with the via: The thoracic nerves are distributed throughout the thoracic

After exiting the intervertebral foramen, each thoracic nerve divides into two primary branches: thoracic nerve distribution

The thoracic nerve distribution refers to the complex network of 12 pairs of spinal nerves () that emerge from the thoracic spine to innervate the chest, abdomen, and back . Unlike nerves in the neck or lower back, most thoracic nerves do not form plexuses; instead, they follow a segmental pattern along the ribs, providing both sensory and motor control to the trunk. Anatomy and Organization