固有 こゆう かん動脈 どうみゃくではありません
koyūkandōmyakudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 固有肝動脈

1. Is not the native hepatic artery.; It is not the inherent/original hepatic artery.

Negative
Polite
Formal Register