1 — Pterygoid plexus; 2 — Pharyngeal plexus; 3 — Pharyngeal branches; 4 — Right internal jugular vein; 5 — Right brachiocephalic vein; 6 — Superior vena cava
1 — Pterygoid plexus; 2 — Pharyngeal plexus; 3 — Pharyngeal branches; 4 — Right internal jugular vein; 5 — Right brachiocephalic vein; 6 — Superior vena cava