特殊用法anal sphincter1.肛门括约肌cardiac sphincter1.贲门括约肌musculus sphincter1.括约肌precapillary sphincter1.毛细血管前括约肌pyloric sphincter1.幽门括约肌vaginal sphincter1.阴道括约肌sphincter of Oddi1.奥狄氏括约肌, 总胆管括约肌