1 — Triceps brachii, lateral head; 2 — Profunda brachii artery; Deep artery of arm; 3 — Radial nerve; 4 — Lateral intermuscular septum of arm; 5 — Humerus; 6 — Coracobrachialis; 7 — Brachialis; 8 — Cephalic vein; 9 — Brachial fascia; 10 — Biceps brachii; 11 — Musculocutaneous nerve; 12 — Median nerve; 13 — Brachial artery; 14 — Brachial veins; 15 — Basilic vein; 16 — Ulnar nerve; 17 — Medial intermuscular septum of arm; 18 — Triceps brachii, long head; 19 — Triceps brachii, medial head; deep head
