6.壁腹膜 在脐以下形成5条皱襞 脐正中襞(内有脐尿管遗迹) 脐内侧襞(内有脐动脉索) 脐外侧襞(内有腹壁下动脉)F sheath Ats) ligament Hac lascia Iliopsoas m poined tendon) Pubovestcal told Transverse vesical fold tendinous arch lor nerve and vessels valor ani must le Obturator canal6.壁腹膜 在脐以下形成5条皱襞: 脐正中襞(内有脐尿管遗迹) 脐内侧襞(内有脐动脉索) 脐外侧襞(内有腹壁下动脉)