有髄 ゆうずい神経 しんけいじゃありませんでした
yū zuishinkeijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 有髄神経

1. Was not myelinated.; Did not have a spinal cord.

Past/Perfective
Negative
Polite
Terminal Form
Anatomy