1 — Transverse cervical artery, Deep branch; Dorsal scapular artery; 2 — Scapula; 3 — Superior transverse scapular ligament; 4 — Transverse cervical artery, superficial branch; 5 — Suprascapular artery; 6 — Clavicle; 7 — Acromion; 8 — Anterior circumflex humeral artery; 9 — Posterior circumflex humeral artery; 10 — Humerus; 11 — Circumflex scapular artery; 12 — Profunda brachii artery; Deep artery of arm; 13 — Brachial artery; 14 — Humeral nutrient artery; 15 — Subscapular artery; 16 — Thoraco-acromial artery, deltoid branch; 17 — Thoracoacromial artery; 18 — Thoraco-acromial artery, acromial branch; 19 — Thoraco-acromial artery, clavicular branch; 20 — Axillary artery; 21 — Subclavian artery; 22 — Thyrocervical trunk; 23 — Superior thoracic artery; 24 — Thoraco-acromial artery, pectoral branches; 25 — Lateral thoracic artery; 26 — Thoracodorsal artery; 27 — Superior ulnar collateral artery
