括かつ約やく筋きんかつやくきんFreq.FrequencyTop 50,000Meanings1nounsphincter; constrictor muscleanatomy›Anatomical term for a ring-like muscle that closes a bodily passage or opening. Often used in compound names such as 肛門括約筋 (anal sphincter).肛こう門もん括かつ約やく筋きんは排はい便
