Burun boşluğu.
Septum nasi osseum | Apertura piriformis | Meatus nasi superior | Meatus nasi medius | Meatus nasi inferior | Ostium canalis nasolacrimalis | Meatus nasi communis | Recessus sphenoethmoidalis | Meatus nasopharyngeus | Choana (apertura nasalis posterior) | Foramen sphenopalatinum