だい後頭 こうとう こうではありませんでした
daikōtōkōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大後頭孔

1. Was not a large foramen magnum.; Was not the large posterior parietal foramen.

Past/Perfective
Negative
Polite
Formal Register
Anatomy