ぼうこうかつやくきん 膀胱括約筋 LinksSentence search for 膀胱括約筋Sentence search for ぼうこうかつやくきんKanji details for 膀, 胱, 括, 約 and 筋Edit in JMdict Noun1. sphincter muscle of urinary bladder Discussions Log in to talk about this word.