1 — Pterygoid canal; 2 — Pterygospinous process; 3 — Ethmoidal cells; 4 — Posterior ethmoidal foramen; 5 — Greater wing; 6 — Orbital plate, ethmoidal labyrinth; 7 — Fossa for lacrimal gland; Lacrimal fossa; 8 — Anterior ethmoidal foramen; 9 — Nasal bone; 10 — Ethmoid; Ethmoidal bone, perpendicular plate; 11 — Frontal bone, orbital part; 12 — Optic canal; 13 — Superior orbital fissure; 14 — зонд в Opening of
sphenoidal sinus; 15 — Sphenoidal sinus
