By derived differentiation,we mean that under the effect of differentiation inducer,malignant tumor cell has the tendency to differentiate to normal cell,even became normal cells.

• 诱导分化是指在分化诱导剂的存在下,恶性肿瘤细胞的形态、生物学或生物化学方面的诸多标志均向正常细胞的方向分化,甚至完全转变成正常细胞。