名詞 dedifferentiation:

1. the loss of specialization in form or function

de.dif.fer.en.ti.a.tion

n.Biology （名詞）【生物學(xué)】
Regression of a specialized cell or tissue to a simpler, more embryonic, unspecialized form. Dedifferentiation may occur before the regeneration of appendages in plants and certain animals and in the development of some cancers.
去分化，反分化：指高度分化的細(xì)胞或組織向更簡單，更初期非特化的形式的退化。去分化發(fā)生在植物和某些動(dòng)物的附器的再生之前，或一些癌癥出現(xiàn)的時(shí)候

【引伸】
de.differen.tiate.
v.（動(dòng)詞）