sieve bone -->
cribriform plate of ethmoid bone
medical dictionary

A horizontal lamina from which are suspended the labyrinth, on either side, and the lamina perpendicularis in the centre; 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.

Synonyms: lamina cribrosa ossis ethmoidalis, cribrum, sieve bone, sieve plate.

(05 Mar 2000)