肠道干细胞非常小，用绿色表示，它们的细胞核不可见。
In flies, intestinal insulin seems to be the signal that makes stem cells "supersize the gut."
干细胞数量翻番就意味着，表面积大的肠道比表面积小的肠道更容易癌变，皮肤基底细胞癌比黑色素瘤更多发。
Stem-cell turnover means, for example, that tumours of the large intestine are commoner than those of the small one, while basal-cell carcinomas in the skin are commoner than melanomas.
目的了解干细胞和组织工程在肠道的研究进展。
Objective To review the development of researches on the stem cells and the tissue engineering technique used in the intestines.
类似的癌症干细胞早前在白血病、乳癌、中枢神经系统细胞株和胃肠道肿瘤中鉴定出。
Similar cancer stem cells have been previously identified in leukemia and breast cancer and in cell lines of central nervous system and gastrointestinal tumors.
类似的癌症干细胞早前在白血病、乳癌、中枢神经系统细胞株和胃肠道肿瘤中鉴定出。
Similar cancer stem cells have been previously identified in leukemia and breast cancer and in cell lines of central nervous system and gastrointestinal tumors.
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