英语词汇“frontal sinuses”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	frontal sinuses
释义	DictionarySeefrontal sinus frontal sinuses frontal sinuses Two hollow spaces in the frontal bone lying above the orbits. They are lined with mucous membrane, contain air, and communicate with the middle nasal meatus via the nasofrontal duct.
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