THORACIC SPINAL NERVES

POSTERIOR RAMI; DORSAL RAMI
- Medial branch
- Lateral branch
- Posterior cutaneous branch; posterior cutaneous nerve
INTERCOSTAL NERVES; ANTERIOR RAMI; VENTRAL RAMI
- Muscular branches
- Collateral branch
- Lateral pectoral cutaneous branch
  - Lateral mammary branches
- Lateral abdominal cutaneous branch
- Intercostobrachial nerves
- Anterior pectoral cutaneous branch
  - Medial mammary branches
- Anterior abdominal cutaneous branch
- Subcostal nerve