单词 | 上颚骨 |
释义 | 〔antrum〕Either of the sinuses in the bones of the upper jaw, opening into the nasal cavity.鼻窦:上颚骨里通向鼻腔的窦道之一〔premaxilla〕Either of two bones located in front of and between the maxillary bones in the upper jaw of vertebrates.前颌骨:位于脊椎动物上颚的上颚骨之前和之间的两块骨头中的一块 |
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