脳脊髄 のうせきずい えきでしょう
nō sekizu iekideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 脳脊髄液

1. Cerebrospinal fluid, likely.; Probably cerebrospinal fluid.

Polite
Presumptive
Conjecture
Physiology