Within 1 wk, the transferred cells proliferated and spread on the bottom of the well, and round proliferating cells formed colonies on top of the flat cell layer (Fig. 1, b and c).
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- 约1周内,转移的细胞增殖展开于培养瓶底,圆形生殖细胞在一层扁平贴壁细胞上增殖形成克隆。