← Back to browsesphincternoun#30,422Translations括約筋かつやくきん肛門括約筋こうもんかつやくきん瞳孔括約筋どうこうかつやくきん尿道括約筋にょうどうかつやくきんEnglish definitiona ring of muscle that contracts to close an openingExamplesNo examples yet.Similar wordssphincterssphinxsuccincterspectersphinxessphingid← chutesoshin →