間葉 かんよう けい細胞 さいぼうじゃなかったです
kan'yōkeisaibōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 間葉系細胞

1. Was not mesenchymal stem cell.; Was not a mesenchymal cell.

Past/Perfective
Negative
Polite
Casual Register