On day 26 the differentiation of the epithelium was almost completed.The surface epithelium differentiated into the interfollicular epithelium(IFE) and the follicle-associated epithelium (FAE).
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- 26天胚上皮分化基本完成,表面上皮分化为滤泡间上皮(IFE)和连滤泡上皮(FAE);