大脳 だいのう縦裂 じゅうれつじゃありませんでした
dainōjū retsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大脳縦裂

1. Was not the longitudinal fissure of the brain.; Was not the cerebral longitudinal fissure.

Past/Perfective
Negative
Polite
Terminal Form