圖1-48 肛門括約肌
泌尿科學

        1肛柱rectalcolumn2肛門外括約肌深部deepportionofsphincteraniexternusmuscle3肛門外括約肌淺部superficialportionofsphincteraniexternusmuscie4肛門外括約肌皮下部subcutaneousportionofsphincteraniexternusmuscle5痔hemorrhoid6肛門內括約肌sphincteraniinternal7肛瓣analvalves[臨    （共 521 字）     [閱讀本文] >>