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Bassett Collection of Stereoscopic Images of Human Anatomy

Pectoral region and axilla

Left axilla (continued); general view of neck, shoulder and axilla, clavicle intact

Image #90-6

KEYWORDS: Axilla, Pectoral region, Peripheral nervous system, Shoulder.

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Pectoral region and axilla
Left axilla (continued); general view of neck, shoulder and axilla, clavicle intact
The left sternocleidomastoid and trapezius muscles have been removed and the deep structures of the neck dissected. The deltoid, pectoralis major, pectoralis minor and subclavius muscles have also been cut away and the axilla freed of connective tissue and lymphatic structures. The arm has been rotated slightly medially.
  1. Thyroid gland
  2. Sternocleidomastoid muscle
  3. Costoclavicular ligament
  4. Sternoclavicular joint (opened)
  5. Pectoralis major muscle
  6. Manubrium of sternum
  7. External intercostal muscle
  8. Rib II
  9. Internal intercostal muscle
  10. Internal jugular vein
  11. Superficial cervical artery
  12. Supraclavicular part of brachial plexus
  13. Clavicle
  14. Coracoclavicular ligament
  15. Acromioclavicular joint capsule
  16. Acromion
  17. Joint capsule of humerus
  18. Coracoacromial ligament
  19. Coracoid process of scapula
  20. Humerus
  21. Infraclavicular part of brachial plexus
  22. Axillary artery
  23. Biceps brachii muscle (long head)
  24. Biceps brachii muscle (short head)
  25. Coracobrachialis muscle
  26. Supreme thoracic artery
  27. Serratus anterior muscle
  28. Origin of pectoralis minor muscle