Pectoral region and axilla
Left axilla (continued); general view of neck, shoulder and axilla, clavicle intact
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Image #90-6
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.
- Thyroid gland
- Sternocleidomastoid muscle
- Costoclavicular ligament
- Sternoclavicular joint (opened)
- Pectoralis major muscle
- Manubrium of sternum
- External intercostal muscle
- Rib II
- Internal intercostal muscle
- Internal jugular vein
- Superficial cervical artery
- Supraclavicular part of brachial plexus
- Clavicle
- Coracoclavicular ligament
- Acromioclavicular joint capsule
- Acromion
- Joint capsule of humerus
- Coracoacromial ligament
- Coracoid process of scapula
- Humerus
- Infraclavicular part of brachial plexus
- Axillary artery
- Biceps brachii muscle (long head)
- Biceps brachii muscle (short head)
- Coracobrachialis muscle
- Supreme thoracic artery
- Serratus anterior muscle
- Origin of pectoralis minor muscle