A dermal bone of the upper jaw which lies posterior to the premaxillary.
上颌的一个表皮硬骨，在前颌骨的后面。
The medial crura are supported by their elastic fibrous attachments to the caudal septum and the soft tissue interposed between their feet and the premaxillary area.
内侧脚则通过它们与鼻中隔尾侧端的弹力纤维连接，两内侧脚之间及与上颌骨前区之间靠软组织支撑。
The medial crura are supported by their elastic fibrous attachments to the caudal septum and the soft tissue interposed between their feet and the premaxillary area.
内侧脚则通过它们与鼻中隔尾侧端的弹力纤维连接，两内侧脚之间及与上颌骨前区之间靠软组织支撑。
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