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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of breast and anterolateral thoracic wall

Intercostal muscles, anterior view

Image #115-5

KEYWORDS: Bones joints cartilage, Breast, Muscles and tendons, Rib cage.

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Dissection of breast and anterolateral thoracic wall
Intercostal muscles, anterior view
The external intercostal muscles have been removed from the first and second interspaces anteriorly to expose the internal intercostal muscles. A third, innermost layer of muscle has not been shown in this dissection. For a view of this layer reference should be made to 115-7.
  1. Clavicle
  2. Pectoralis major muscle
  3. Mammary body
  4. External abdominal oblique muscle
  5. Rectus abdominis muscle
  6. Vagus nerve left
  7. Trachea
  8. Internal jugular vein (at junction with subclavian vein)
  9. Common carotid artery
  10. Rib II
  11. Sternum
  12. Internal intercostal muscle
  13. External intercostal muscle
  14. External intercostal membrane
  15. Costochondral junction
  16. Sheath of rectus abdominis muscle
  17. Linea alba