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单词 Maxillary antrum
释义

Maxillary antrum

英语百科

Maxillary sinus

The maxillary sinus can normally be seen above the level of the premolar and molar teeth in the upper jaw.  This dental x-ray film shows how, in the absence of the second premolar and first molar, the sinus became pneumatized and expanded towards the crest of the alveolar process (location at which the bone meets the gum tissue).

The pyramid-shaped maxillary sinus (or antrum of Highmore) is the largest of the paranasal sinuses, and drains into the middle meatus of the nose.

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更新时间:2025/6/19 1:15:49