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Medical Definition of Sphenoidal sinus aperture
1. One of the pair of openings in the body of the sphenoid bone through which the sphenoid sinuses communicate with the sphenoethmoidal recess of the nasal cavity. Synonym: apertura sinus sphenoidalis, sphenoidal sinus aperture. (05 Mar 2000)
Lexicographical Neighbors of Sphenoidal Sinus Aperture
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