anatomy, the term nasal meatus can refer to any of the three meatuses (passages) through the skull's nasal cavity: the superior meatus (meatus nasi superior)...

superior meatus, middle meatus and inferior meatus; each are passages through the nasal cavity within the skull (The plural forms of "meatus" are: meatus, as...

forms the roof of the superior nasal meatus.: 692  The superior nasal concha is situated posterosuperiorly to the middle nasal concha. It forms the superior...

backwards. The opening of the nasolacrimal duct into the inferior nasal meatus of the nasal cavity is partially covered by a mucosal fold (valve of Hasner...

nasal meatus of the nasal cavity into which the sphenoidal sinus opens. The sphenoethmoidal recess is situated superoposterior to the superior nasal concha...

ultimately drain into either the superior or the middle nasal meatus of the lateral wall of the nasal cavity. The ethmoid air cells consist of numerous thin-walled...

the nasal cavity. The maxillary sinus is the largest of the sinuses and drains into the middle meatus. Most of the ostia open into the middle meatus and...

skull. Each opens into the anterior part of the corresponding middle nasal meatus of the nose through the frontonasal duct which traverses the anterior...

of nasal polyps: ethmoidal and antrochoanal. Ethmoidal polyps arise from the ethmoid sinuses and extend through the middle meatus into the nasal cavity...

into the middle nasal meatus of the nasal cavity. It is situated superoposteriorly upon the lateral nasal wall, opening into the nasal cavity at the posterior...