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上顎神経中上歯槽枝
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Wikipedia definition
1. Middle superior alveolar nerve​The middle superior alveolar nerve is a nerve that drops from the infraorbital portion of the maxillary nerve to supply the sinus mucosa, the roots of the maxillary premolars, and the mesiobuccal root of the first maxillary molar. It is not always present; and in the majority of cases it is non existent with the posterior superior alveolar nerve innervating the premolars and molars alone.
Read “Middle superior alveolar nerve” on English Wikipedia
Read “上顎神経中上歯槽枝” on Japanese Wikipedia
Read “Middle superior alveolar nerve” on DBpedia

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