• sphincter
• anatomical sphincter
• anus
• sphincter muscle

musculus sphincter ani externus  musculus sphincter ductus choledochi  musculus sphincter ani internus  musculus sternocleidomastoideus  musculus sphincter urethrae  musculus sphincter vesicae  musculus sphincter pylori  musculus sphincter pupillae  musculus temporalis  musculus sphincter ductus pancreatici