1.直肠rectum2.精囊seminalvesicle3.前列腺prostate4.直肠横襞transversefoldofrectum5.尿道前列腺部prostaticpartofurethra6.肛管analcanal7.尿道膜部membranouspartofurethra8.尿道海绵体部cavernouspartofurethra9.阴囊隔septumofscrotum10.舟状窝navicularfossa11.阴茎头glanspen (共 351 字) [阅读本文] >>