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上頜竇

 
,醫學編輯
最近審查:19.11.2021
 
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上頜骨或上頜竇(上頜竇)是上顎的空腔。中央竇前壁薄,周邊部分變厚。該壁由眶下緣和肺泡過程之間的上頜的一部分形成。zadnelateralnaya牆對應於上顎的頰。上頜竇內側壁前段為鼻淚管,後側為晶格細胞。竇的下壁形成上頜的牙槽突。竇的上壁也是軌道的底壁。上頜竇通向中鼻道。竇的形狀和大小發生變化。

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