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Medical Definition of Cavitas nasi
1. The proximal portion of the respiratory passages on either side of the nasal septum, lined with ciliated mucosa, extending from the nares to the pharynx. (12 Dec 1998)
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1. The proximal portion of the respiratory passages on either side of the nasal septum, lined with ciliated mucosa, extending from the nares to the pharynx. (12 Dec 1998)