Conclusion: Shh and its receptor are expressed during the late bell stage of mouse tooth germ.

结论: Shh及 其受体Ptc在小鼠牙胚钟状晚期有表达.

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MEHTODS: By immunohistochemistry, SHIP expression was examined in the tissue membrane , alveolar bone, permanent tooth germ.

方法: 应用免疫组织化学的方法检测SHIP在犬乳恒牙替换期组织中的表达.

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RESULTS: SHIP positive signals were observed in the osteoclasts, odentoclasts and enamel of permanent tooth germ.

结果: SHIP在破骨细胞 、 破牙细胞和恒牙胚釉质层表达阳性.

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