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paranasal sinus |
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paranasal sinus [¦par·ə¦nā·zəl ′sī·nəs] (anatomy) Any of the paired sinus cavities of the human face; includes the frontal, ethmoid, and sphenoid sinuses. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Chronic sinusitis is a recurrent inflammation of the nasal sinuses that causes them to swell and block proper drainage, which usually evolves into a sinus infection. Case 1 showed involvement of the nasal sinuses, parotid glands, subcutaneous facial skin, and orbit. |
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