免疫 めんえき細胞 さいぼうじゃありませんでした
men'ekisaibōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 免疫細胞

1. Was not an immune cell.; Was not a immune cell. (less common/grammatically awkward)

Past/Perfective
Negative
Polite
Terminal Form