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Semilunar hiatus

Groove on the nasal cavity's lateral wall

Field	Value
Name	Semilunar hiatus
Latin	hiatus semilunaris
Image	Gray856.png
Caption	Lateral wall of nasal cavity; the three nasal conchæ have been removed. (Third caption from the top.)

The semilunar hiatus (eg, hiatus semilunaris) is a crescent-shaped/semicircular/ curved**** slit****/groove upon the lateral wall of the nasal cavity at the middle nasal meatus just inferior to the ethmoidal bulla.**** It is the location of the openings for the frontal sinus, maxillary sinus, and anterior ethmoidal sinus. It is bounded inferiorly and anteriorly by the sharp concave margin of the uncinate process of the ethmoid bone, superiorly by the ethmoidal bulla, and posteriorly by the ethmoidal process of the inferior nasal concha. It leads into the ethmoidal infundibulum;**** it marks the medial limit of the ethmoidal infundibulum.

References

(2017). "Essential Clinical Anatomy". Lippincott Williams & Wilkins.
Sinnatamby, Chummy S.. (2011). "Last's Anatomy". Elsevier Australia.
Standring, Susan. (2020). "Gray's Anatomy: The Anatomical Basis of Clinical Practice".
"Bony semilunar hiatus - e-Anatomy - IMAIOS".
Gray, Henry. (1918). "Gray's Anatomy".

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

nose rhinology

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