193. 肛门外括约肌(下面观)
基础医学

        1.球海绵体肌bulbocavernosus2.尿生殖膈下筋膜inferiorfasciaofurogenitaldiaphragm3.肛门外括约肌深部deeppartofsphincteraniexternus4.肛门外括约肌皮下部subcutaneouspartofsphincteraniexternus5.肛提肌levatorani6.直肠rectum7.肛门anus8.肛门外括约肌浅部superficialpart    （共 345 字）     [阅读本文] >>