のど頭蓋 ずがい軟骨 なんこつでしょう
nodozugainankotsudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 喉頭蓋軟骨

1. Probably the epiglottis.

Polite
Presumptive
Conjecture
Anatomy