肛门直肠动脉血液来自A．直肠动脉，肛门动脉B．肛门动脉，直肠下动脉C．直肠上、下动脉，骶中动脉D．骶中动脉，肛门动脉E．直肠上、下动脉，肛...

作者: rantiku 人气: - 评论: 0

问题肛门直肠动脉血液来自

选项 A．直肠动脉，肛门动脉 B．肛门动脉，直肠下动脉 C．直肠上、下动脉，骶中动脉 D．骶中动脉，肛门动脉 E．直肠上、下动脉，肛门、骶中动脉

答案 E

解析

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