Pectoral region and axilla

Right pectoralis minor muscle

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Image #89-4

Pectoral region and axilla Right pectoralis minor muscle The relations of the pectoralis minor muscle to the axillary artery and brachial plexus can be seen. The subclavian and axillary veins have been removed. 1 . Supraclavicular part of brachial plexus (pointer on upper trunk) 2 . Trapezius muscle 3 . Omohyoid muscle (cut off) 4 . Clavicle (cut off) 5 . Deltoid muscle 6 . Coracoid process of scapula 7 . Coracobrachialis muscle 8 . Musculocutaneous nerve 9 . Cephalic vein 10 . Pectoralis major muscle (cut off) 11 . Median nerve 12 . Brachial veins 13 . Axilla 14 . Pectoralis minor muscle 15 . Latissimus dorsi muscle 16 . Superficial cervical artery 17 . Common carotid artery 18 . Superficial transverse artery 19 . Transverse scapular artery 20 . Subclavian artery 21 . Anterior scalene muscle 22 . Trachea 23 . Left pointer: Lateral cord of brachial plexus Right pointer: Axillary artery 24 . Brachiocephalic artery 25 . Brachiocephalic veins 26 . Ascending aorta 27 . Internal mammary artery 28 . Rib II