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维基百科2026年6月7日优良条目 (opens in new tab)

肠系膜上动脉是起自腹主动脉前壁的一条主要动脉,位于腹腔干起始部的下方。其主要为十二指肠远段至横结肠近段的肠道以及部分胰腺供血,且在餐后血流量会显著增加。

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