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cribriform plate of ethmoid bone


Definition: a horizontal plate from which are suspended the labyrinth, on either side, and the lamina perpendicularis in the center; it fits into the ethmoidal notch of the frontal bone and supports the olfactory lobes of the cerebrum, being pierced with numerous openings for the passage of the olfactory nerves.

Synonym(s): lamina cribrosa ossis ethmoidalisTA, cribrum, sieve bone, sieve plate

Further information

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