脳底 のうてい動脈 どうみゃくじゃなかったです
nō teidōmyakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 脳底動脈

1. Wasn't a cerebral artery.; Wasn't a brainstem artery.

Past/Perfective
Negative
Polite
Casual Register