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裸鼠成瘤情况。A：B组裸鼠接种血清贴壁培养细胞；B：A组活体裸鼠成瘤后均未成瘤可见皮下肿瘤；C：A组裸鼠体内产生肿瘤的摘取；D：摘取后肿瘤的形态和大小。
Transpntation tumor of mice. A: No tumor formation is observed in B groups of nude mice inoculated with L9981 cells in in serum adherent culture; B: A group of nude mice subcutaneous tumor is observed; C: the removal of the tumor generated in A group of nude mice; D: Morphology of the Transpntation tumor of mice is observed and tumor size is measured.
