hiatus semilunaris
noun
hiatus semi·lu·nar·is
-ˌsem-i-lü-ˈnar-əs 
: a curved fissure in the nasal passages into which the frontal and maxillary sinuses open
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Cite this Entry
“Hiatus semilunaris.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hiatus%20semilunaris. Accessed 25 Apr. 2024.
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