括約筋 かつやくきん noun (common) (futsuumeishi) 括約筋かつやくきん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) anatomy sphincter (muscle);constrictor 漢字 kanji used 括 fasten, tie up 9画 約 promise, approximately 9画 筋 muscle, sinew 12画
括約筋かつやくきん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) anatomy sphincter (muscle);constrictor
Shirabe