Openings Into The Nasal Cavities

Question 1

Superior meatus

Answer 1

opening of the posterior ethmoidal air cells.

Question 2

Middle meatus

Answer 2

• opening of the frontal sinus into the infundibulum,
• openings of the middle ethmoidal air cells on the ethmoidal bulla
• openings of the anterior ethmoidal air cells and maxillary sinus in the hiatus semilunaris.

Question 3

Inferior meatus

Answer 3

opening of the nasolacrimal duct.

Question 4

Sphenopalatine foramen

Answer 4

• opening into the pterygopalatine fossa

- transmits the sphenopalatine artery and nasopalatine nerve.

Question 5

Sphenoethmoidal recess

Answer 5

opening of the sphenoid sinus