舌突起，齿担一种生理构造，位于大多数软体动物的嘴底部，在这之上齿舌来回收缩以击碎食物。
A structure at the base of the mouth of most mollusks over which the radula is drawn back and forth in breaking up food.
舌侧托槽是依牙齿舌面的解剖结构及每个牙齿的舌侧形态特征而设计。
The design of lingual bracket is based on the special anatomy structure of lingual face of every tooth and its morphological characteristics.
在扫描电镜下，三类福寿螺的齿舌未见明显不同。
The differences of the three types were difficult to judge under scanning electron microscope.
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