图1-48 肛门括约肌
泌尿科学

        1肛柱rectalcolumn2肛门外括约肌深部deepportionofsphincteraniexternusmuscle3肛门外括约肌浅部superficialportionofsphincteraniexternusmuscie4肛门外括约肌皮下部subcutaneousportionofsphincteraniexternusmuscle5痔hemorrhoid6肛门内括约肌sphincteraniinternal7肛瓣analvalves[临    （共 521 字）     [阅读本文] >>