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+ Introduction Nasal cavity is a passage from the external nose anteriorly to the nasopharynx posteriorly. The frontal, ethmoid, sphenoid and maxillary sinuses form the paired paranasal sinuses. They are situated around and drain into the nasal cavity. The entire complex is lined by mucus secreting epithelium.
+ Gross Anatomy
+ Nasal Cavity Nasal Cavity Sagittal View Nasal Septum Floor of the nasal cavity Lateral wall of the cavity