Hemodynamics of hepatic artery, portal vein and hepatic vein takes place complicated changes under various kinds of pathologic status because of hepatic distinct doublebloodsupply.
肝脏因其独特的双重血供，在各种病理情况下，肝动脉、门脉及肝静脉系统之间的血流动力学发生复杂的变化。
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Conclusion: However the operation of creeping osteotomy was difficult, it 's the guarantee of success that the double pedicles can supply enough blood to the compound tissues flap.