1 — Internal thoracic artery; 2 — Axillary artery; 3 — Circumflex scapular artery; 4 — Teres major; 5 — Triceps brachii, medial head; deep head; 6 — Inferior ulnar collateral artery; 7 — Radial collateral artery; 8 — Humerus; 9 — Triceps brachii, lateral head; 10 — Humeral nutrient artery; 11 — Brachial artery; 12 — Triceps brachii, long head; 13 — Profunda brachii artery; Deep artery of arm; 14 — Posterior circumflex humeral artery; 15 — Subscapular artery; 16 — Anterior circumflex humeral artery; 17 — Transverse humeral ligament; 18 — Subscapularis; 19 — Supraspinatus; 20 — Acromion; 21 — Coracoid process; 22 — Thoraco-acromial artery; 23 — Superior thoracic artery; 24 — Right subclavian artery; 25 — Right common carotid artery; 26 — Arch of aorta; Aortic arch
