鼓膜 こまく張筋 ちょうきんじゃないです
komakuchōkinjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 鼓膜張筋

1. It's not tympanic membrane muscle.; It's not a tensor tympani issue.

Negative
Polite
Casual Register