1 — Superior vena cava; 2 — Internal thoracic veins; 3 — Inferior thyroid vein; 4 — Right brachiocephalic vein; 5 — Subclavian vein; 6 — Transverse cervical veins; 7 — Anterior jugular vein; 8 — External jugular vein; 9 — Thyroid cartilage; 10 — Superior thyroid artery; 11 — Omohyoid; 12 — Sternothyroid; 13 — Occipital vein; 14 — Sternohyoid; 15 — Retromandibular vein; 16 — Hyoglossus; 17 — Hyoid bone; 18 — Mylohyoid; 19 — Digastric, anterior belly; 20 — Lingual nerve; 21 — Facial artery; 22 — Facial vein; 23 — Hypoglossal nerve [XII]; 24 — Parotid gland; 25 — Superior thyroid vein; 26 — Sternocleidomastoid; 27 — Vagus nerve [X]; 28 — Middle thyroid veins; 29 — Accessory nerve [XI]; 30 — Phrenic nerve; 31 — Cephalic vein; 32 — Internal jugular vein; 33 — Thymic veins; 34 — Left brachiocephalic vein
