Typical Thoracic Spinal Nerve: Cross Section Anatomy
External intercostal muscles, Internal intercostal
muscles, Innermost
intercostal muscles, Anterior branch, Posterior branch, Lateral cutaneous branch, Anterior cutaneous branch,
Medial branch Lateral branch, Sternum, Transversus thoracis muscle, External intercostal
membrane, Intervertebral foramen, Anterior root,
Posterior root, Spinal nerve, Anterior ramus
(intercostal nerve), Posterior root (spinal) ganglion, Sympathetic ganglion, Gray and white rami
communicantes, Trapezius muscle, Posterior ramus, Posterior cutaneous branch, Medial branch, Lateral branch, Rhomboid major muscle, Erector spinae muscle, Internal intercostal
membrane, Infraspinatus
muscle, Scapula, Teres major muscle, Subscapularis muscle, Latissimus dorsi muscle, Serratus anterior muscle.