Over a period of 2-3 weeks, the flow of detoured blood usually causes the little collaterals to enlarge their diameters by 3 to 4 fold through a process called collateral remodeling.

经过了2 - 3周的时间，绕道血流量通常会使侧枝循环以扩大其直径3至4倍，此过程称为侧枝循环的重塑。

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Carefully, he crossed the empty fold and picked his way through the pasture.

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By the fall of 2008, the financial crisis hit and we had to decide whether to fold the company or plow through.

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