破骨 はこつ細胞 さいぼうではありませんでした
hakotsu saibōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 破骨細胞

1. Was not an osteoclast.; Was not a bone cell.

Past/Perfective
Negative
Polite
Formal Register
Physiology