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ethmoidal labyrinth

 

Definition: a mass of air cells with thin bony walls forming part of the lateral wall of the nasal cavity; the cells are arranged in three groups, anterior, middle, and posterior, and are closed laterally by the orbital plate which forms part of the wall of the orbit.

Synonym(s): labyrinthus ethmoidalisTA, ectethmoid, ectoethmoid, lateral mass of ethmoid bone

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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