のど頭蓋 ずがい軟骨 なんこつじゃないです
nodozugainankotsujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 喉頭蓋軟骨

1. It's not the epiglottis.

Negative
Polite
Casual Register
Anatomy