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posterior ethmoidal cells


Definition: the posterior group of air cells of the ethmoidal sinuses; each sinus communicates with the superior meatus of the nasal cavity.

Synonym(s): cellulae ethmoidales posterioresTA, posterior cells, posterior ethmoidal air cells, sinus ethmoidales posteriores

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.