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ethmoid sinus |
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ethmoid sinus,
n one of the facial cavities, located beneath the nasal bridge, through which air flows.
ethmoid 1. sievelike; cribriform. 2. the ethmoid bone. ethmoid bone the sievelike bone that forms a roof for the nasal fossae and part of the floor of the rostral cranial fossa. See also Table 10. ethmoid sinus see concha. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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