膀胱 ぼうこう括約 かつやく すじではありませんでした
bōkōkatsuyakusujidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 膀胱括約筋

1. Was not the bladder sphincter.; Was not a bladder sphincter.

Past/Perfective
Negative
Polite
Formal Register