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・「 横静脈洞に注ぐ 」( Wiipedia )
以下は「 Wikipedia 」の解説文となる。
「 The petrosquamous sinus, is a fetal vein that generally disappears by birth[1] and, when present, runs backward along the junction of the squama and petrous portion of the temporal, and opens into the transverse sinus. 」
【 語 句 】
・ fetal : 胎児の ・ squama : 鱗部? ・ petrous portion of the temporal : 側頭骨の錐体 ・ transverse sinus : 横静脈洞
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