1 — Posterior lateral nasal arteries; 2 — Anterior ethmoidal artery; 3 — Posterior ethmoidal artery; 4 — Ophthalmic artery; 5 — Sphenopalatine artery; 6 — Descending palatine artery; 7 — Maxillary artery; 8 — Internal carotid artery; 9 — Internal carotid artery; 10 — Greater palatine
artery
