ConclusionThe superficialcells of limbus and cornea are of mature status, while limbal basal cells show some undifferentiated feature, which indicates the location of stem cells.
结论角膜及角膜缘表层上皮较为成熟分化，而角膜缘基底细胞具有未分化细胞的特征，很可能是干细胞的部位。
2
The superficial epithelia cells do not bind the active ingredient and thus only serve as a transit area.
浅表的上皮细胞并不与活性药物成分结合，因而只是运输区。
3
When the HPV protein was positive, the weak positive reaction was found in the superficial epithelial cells of the condyloma condyloma.