Semilunar hiatus
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The semilunar hiatus (eg, hiatus semilunaris) is a crescent-shapedScript error: No such module "Unsubst"./semicircular/[1] curved[2] slit[2]/groove[1] upon the lateral wall of the nasal cavity[3] at the middle nasal meatus just inferior to the ethmoidal bulla.[2] 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.[4] It leads into the ethmoidal infundibulum;[5] it marks the medial limit of the ethmoidal infundibulum.[3]
References
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External links
- Anatomy figure: 33:04-05 at Human Anatomy Online, SUNY Downstate Medical Center
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