Medical Definition of middle meatus
: a curved anteroposterior passage in each nasal cavity that is situated below the middle nasal concha and extends along the entire superior border of the inferior nasal concha — compare inferior meatus, superior meatus
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“Middle meatus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/middle%20meatus. Accessed 26 Jan. 2022.
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