分化 ぶんか細胞 さいぼうじゃありませんでした
mibunka saibōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 未分化細胞

1. Was not an undifferentiated cell.; Was not a stem cell.

Past/Perfective
Negative
Polite
Terminal Form
Biology