かみ経筋 けいきん接合 せつごう じゃなかったです
kami keikin setsugōbu ja nakattadesu

Noun
Desu Copula

The polite, past negative form of 神経筋接合部

1. Wasn't the neuromuscular junction.

Past/Perfective
Negative
Polite
Casual Register
Anatomy