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224:, which communicates in front with the anterior ethmoidal cells and in rather more than fifty percent of skulls is continued upward as the frontonasal duct into the frontal air-sinus; when this continuity fails, the frontonasal duct opens directly into the anterior part of the meatus.
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The inferior meatus is the largest of the three. It lies below the inferior concha and above the nasal cavity. It extends most of the length of the nasal cavity’s lateral wall. It is broader in the front than at the back, and presents anteriorly the lower orifice of the
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231:(ostium maxillare); an accessory opening is frequently present above the posterior part of the inferior nasal concha.
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The middle meatus is the middle-sized and located nasal opening, lying underneath the middle concha and above the
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Below the bulla ethmoidalis and hidden by the uncinate process of the ethmoid is the opening of the
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The superior meatus is the smallest of the three. It is a narrow cavity located obliquely below the
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opens into the cavity of the superior meatus and the meatus communicates with the posterior
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Through the hiatus semilunaris the meatus communicates with a curved passage termed the
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Anatomy and
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The nasal meatuses are the spaces beneath each of the corresponding
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opens into. The superior meatus occupies the middle third of the
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Maynard, Robert Lewis; Downes, Noel (2019). "Nasal Cavity".
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68:Anatomical terminology
631:Salpingopalatine fold
474:Inferior nasal concha
464:Superior nasal concha
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459:Supreme nasal concha
144:supreme nasal meatus
140:supreme nasal concha
129:meatus nasi inferior
113:meatus nasi superior
701:Otorhinolaryngology
469:Middle nasal concha
319:Atlas image: rsa1p6
18:Middle nasal meatus
589:Sphenoidal sinuses
237:nasolacrimal canal
203:hiatus semilunaris
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121:meatus nasi medius
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50:Identifiers
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508:Agger nasi
483:: (Supreme
397:Minor alar
392:Major alar
243:References
186:which the
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150:Structure
486:superior
422:Openings
94:meatuses
675:Anatomy
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