ちゅう大脳 だいのう動脈 どうみゃくでしょう
chūdainōdōmyakudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 中大脳動脈

1. Probably the middle cerebral artery.

Polite
Presumptive
Conjecture