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| infracolic region (位于横结肠及其系膜与小骨盆上口之间，以左、右结肠和小肠系膜根为界分为左、右结肠旁沟和左、右肠系膜窦。与该区相邻的器官有十二指肠下半部、空肠、回肠、盲肠、阑尾和结肠等) | |||
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