心臓 しんぞう弁膜 べんまくじゃありませんでした
shinzōben makuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 心臓弁膜

1. Was not a heart valve.; Was not a valve of the heart.

Past/Perfective
Negative
Polite
Terminal Form
Anatomy