Several important structures open into the nasal cavity, allowing drainage and airflow regulation. The maxillary, frontal, and anterior ethmoidal sinuses drain into the middle meatus, while the posterior ethmoidal sinuses open into the superior meatus. The nasolacrimal duct drains tears from the eye into the inferior meatus, which is why the nose runs when crying. The auditory tube does not open directly into the nasal cavity but into the nasopharynx, where it helps equalize pressure in the middle ear. These connections explain how infections can spread between the nose, sinuses, and ear. Openings into the Nasal Cavity Draining Paranasal Sinuses Lacrimal Duct and Auditory Tube Diagram - Chart - diagrams and charts with labels. This diagram depicts Openings into the Nasal Cavity Draining Paranasal Sinuses Lacrimal Duct and Auditory Tube and explains the details of Openings into the Nasal Cavity Draining Paranasal Sinuses Lacrimal Duct and Auditory Tube.
Openings into the Nasal Cavity Draining Paranasal Sinuses Lacrimal Duct and Auditory Tube
