图1-47 直肠黏膜
泌尿科学

        (1)直肠黏膜的特点1直肠壶腹rectalampulla2肛柱rectalcolumn3肛窦analsinus4肛瓣analvalves5直肠横襞transversefoldsofrectum6肛提肌levatoranim.7肛门内括约肌sphincteraniinternus8肛门外括约肌sphincteraniexternal(2)内镜下黏膜形态[临床解剖学要点]直肠长10～14    （共 412 字）     [阅读本文] >>