The procedure also requires the cheek tissue graft to remain over the eye surface, which gives it a strange, skin-like appearance.

这个过程还需要在眼睛表面留下脸颊组织移植物，这使眼部出现了像皮肤奇怪的外观。

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Eight weeks later, they found that the graft, guided by cues such as blood pressure from the surrounding tissue, had remodeled itself to resemble a mature artery.

八周后他们发现，在血压及周围组织环境的引导下，这些移植物重新塑性，类似成熟的动脉。

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However, it seems clear that the ovarian tissue graft has a shortened life span.

然而，有一点似乎很清楚，就是卵巢组织的移植物的生存期不长。

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Without a graft, the healing usually takes a lot longer and scar tissue is more noticeable.

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Depending on its origin, a graft can differ in size, thickness and how fast it generates tissue.

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