anaplasia

名词 anaplasia:

1. loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor

an.a.pla.sia

n.（名词）
Reversion of cells to an immature or a less differentiated form, as occurs in most malignant tumors.
退行发育：细胞退化到不成熟或未变异的状态，如多数恶性肿瘤