maxillary sinus

noun

Medical Definition of maxillary sinus

: an air cavity in the body of the maxilla that communicates with the middle meatus of the nose

called also antrum of Highmore

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Cite this Entry

“Maxillary sinus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/maxillary%20sinus. Accessed 19 Sep. 2020.

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