刺激 しげき伝導 でんどう けいじゃありませんでした
shigeki dendōkeijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 刺激伝導系

1. Was not the conduction system.; Was not a conduction system.

Past/Perfective
Negative
Polite
Terminal Form