结论CB和CD活性的下降是过量碘导致的甲状腺胶质潴留的重要原因之一。

Conclusion: The decreased activities of CB and CD were one of reasons of thyroid colloid retention resulted from iodine excess.

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临近上皮细胞的胶质内可见清晰空泡，此处上皮组织细胞活跃，甲状腺激素分泌增多，形成扇形的胶质边缘。

Note the clear vacuoles in the colloid next to the epithelium where the increased activity of the epithelium to produce increased thyroid hormone has led to scalloping out of the colloid.

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镜下，正常甲状腺由滤泡构成。这些滤泡内衬上皮，充满胶质。

Normal thyroid seen microscopically consists of follicles lined by a an epithelium and filled with colloid.

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